PSI is an answer for the NYT Crossword puzzle. Here you can get the history and usage for PSI in NYT Crossword from 1994.
This "PSI" answer was first appeared in "12 Dec 1993" NYT Crossword for the hint of "Omega preceder (2)". It was authored by Cathy Millhauser. Recently, the "PSI" answer has been used for "20 Nov 2023" NYT Crossword for the hint of "Greek letter after chi". It was authored by Sam Ezersky. In the NYT Crossword, this answer has been used most frequently for the hint: "Letter before omega (12)". "PSI" appeared 175 times in Shortz Era puzzles. So lets take a look for clue and answer history of "PSI" word.
| Date | Grid | Clue | Author |
|---|---|---|---|
| 20 Nov 2023 | 47A | Greek letter after chi | Sam Ezersky |
| 26 Sep 2023 | 62D | Letter before omega | Shannon Rapp and Rebecca Goldstein |
| 22 Jul 2023 | 19A | Measure of inflation: Abbr. | Robert Logan |
| 19 Apr 2023 | 42A | Inflation measure, in brief | Joe Deeney |
| 21 Mar 2023 | 58A | Penultimate Greek letter | Michael Lieberman |
| 21 Feb 2023 | 33A | Next-to-last Greek letter | Daniel Raymon |
| 9 Dec 2022 | 1D | Abbr. at a pump | Brooke Husic and Hoang-Kim Vu |
| 23 Oct 2022 | 90D | No. listed on the inside of car doors, often | Daniel Bodily and Jeff Chen |
| 16 Sep 2022 | 6D | Wave function symbol | Juliana Tringali Golden |
| 4 Aug 2022 | 4D | Inflation spec | Ella Dershowitz |
| 4 Jul 2022 | 36D | This Greek letter: ψ | Bruce Haight |
| 23 Jun 2022 | 56D | Letter resembling Indiana University’s logo | Jeff Chen |
| 19 Jun 2022 | 50A | Three-pronged letter | Jeremy Newton |
| 14 Apr 2022 | 13D | Pitchfork-shaped letter | Ashish Vengsarkar and Narayan Venkatasubramanyan |
| 24 Oct 2021 | 86A | Trident look-alike | Katie Hale |
| 29 May 2021 | 45A | Inflation stat, for short | Adam Aaronson |
| 4 May 2021 | 38D | … phi, chi, ___, omega | Nina Sloan |
| 27 Apr 2021 | 4D | Letter before omega | Jeff McDermott |
| 8 Apr 2021 | 65D | Inflation fig. | Jake Halperin |
| 23 Sep 2020 | 56D | Letters on a tire | Margit Christenson |
| 3 Sep 2020 | 55A | Trident-shaped letter | Sid Sivakumar |
| 4 Feb 2020 | 61A | Trident-shaped letter | Queena Mewers and Alex Eaton-Salners |
| 17 Jan 2020 | 7D | Abbr. on a car tire | Ryan Patrick Smith |
| 22 Dec 2019 | 9D | Ψ | Laura Taylor Kinnel |
| 6 Nov 2019 | 29D | Chi follower | Ross Trudeau |
| 4 Oct 2019 | 26D | Inflation fig. | Matthew Sewell |
| 29 Aug 2019 | 60D | Fraternity letter | Jeff Chen |
| 8 Aug 2019 | 5D | Letter that sounds like an expression of relief | Timothy Polin |
| 20 Jun 2019 | 37A | Penultimate letter | Trenton Charlson |
| 14 Apr 2019 | 78D | Next-to-last letter | Will Nediger |
| 13 Apr 2019 | 59D | Auto inspection no. | Debbie Ellerin |
| 15 Mar 2019 | 9D | Penultimate letter | Jamey Smith |
| 28 Feb 2019 | 38A | Abbr. at a tire shop | Randolph Ross |
| 13 Feb 2019 | 63D | Letter after “X” | Ross Trudeau |
| 15 Dec 2018 | 23A | Wave function symbol in quantum mechanics | Erik Agard |
| 2 Dec 2018 | 47D | Telepathy term | Paul Coulter |
| 22 Nov 2018 | 10D | Letter that appears twice in the Schrödinger equation | Randolph Ross |
| 19 Sep 2018 | 26D | Tire gauge meas. | Scot Ober and Jeff Chen |
| 25 Jul 2018 | 25A | Letter before omega | Emily Carroll |
| 31 Dec 2017 | 32A | Fig. checked during re-tire-ment? | John Lampkin |
| 2 Oct 2017 | 8D | It comes between chi and omega | Trenton Charlson |
| 11 Sep 2017 | 1A | Pitchfork-shaped letter | Erik Agard and Paolo Pasco |
| 5 Apr 2017 | 9D | Air pump fig. | Alex Eaton-Salners |
| 20 Mar 2017 | 22D | Greek letter before omega | Neil deGrasse Tyson and Andrea Carla Michaels |
| 11 Mar 2017 | 6D | Wave function denoter in quantum mechanics | Natan Last |
| 22 Jan 2017 | 57D | Chi follower | Dan Schoenholz |
| 4 Dec 2016 | 110D | Tire measure: Abbr. | Bruce Haight |
| 8 Jan 2016 | 27A | What Indiana University’s superimposed “I” and “U” looks like | Peter A. Collins |
| 22 Dec 2015 | 38A | Symbol for water potential | Tom McCoy |
| 20 Dec 2015 | 81A | Measure of inflation, for short | Peter Wentz |
| 6 Dec 2015 | 88A | Trident-shaped letter | Patrick Berry |
| 10 Oct 2015 | 54A | Inflation fig. | Roland Huget |
| 5 Oct 2015 | 50A | Trident-shaped Greek letter | Mike Buckley |
| 15 Jun 2015 | 58D | Trident-shaped Greek letter | Mike Buckley |
| 13 Feb 2015 | 50A | Unit of pressure: Abbr. | Patrick Berry |
| 27 Nov 2014 | 10D | Symbol for Freud’s field | Stanley Newman |
| 17 Nov 2014 | 59D | Trident-shaped letter | Tom McCoy |
| 6 Oct 2014 | 33D | Letter before omega | Robyn Weintraub |
| 6 May 2014 | 34A | Tire meas. | Alex Bajcz |
| 25 Mar 2014 | 1D | The Beatles’ “___ Love You” | David Woolf |
| 2 Mar 2014 | 58A | It’s pitchfork-shaped | Alan Arbesfeld |
| 26 Feb 2014 | 37A | Letters on a radial | Ruth B. Margolin |
| 28 Jan 2014 | 55A | Letter before omega | Jeff Stillman |
| 6 Dec 2013 | 57D | Penultimate Greek letter | Elizabeth C. Gorski |
| 24 Nov 2013 | 71A | Scuba tank meas. | Gary Cee |
| 19 Nov 2013 | 24A | Next-to-last Greek letter | David J. Kahn |
| 8 Sep 2013 | 119D | Inflation indicator: Abbr. | Pete Muller and Sue Keefer |
| 23 Mar 2013 | 23A | Poseidon’s trident? | David Steinberg |
| 31 Dec 2012 | 65A | Letter before omega | Jeffrey Harris |
| 17 Dec 2012 | 37D | Omega preceder | Elizabeth A. Long |
| 26 Sep 2012 | 39D | Tire spec abbr. | Peter A. Collins |
| 12 Jul 2012 | 31A | Symbol of the planet Neptune | Pawel Fludzinski |
| 10 Jun 2012 | 115D | 23rd in a series | Xan Vongsathorn |
| 15 Jan 2012 | 21D | Fourth letter after 49-Down | Finn Vigeland |
| 28 Dec 2011 | 53D | Tire letters | Louis Zulli |
| 18 Dec 2011 | 115A | Air pump setting: Abbr. | Patrick Merrell |
| 23 Oct 2011 | 114D | Symbol for electric flux | Joe DiPietro |
| 8 Aug 2011 | 36A | Letter after chi | Ian Livengood |
| 4 Jul 2011 | 38A | Next-to-last Greek letter | Paul Johnson |
| 23 May 2011 | 23D | Pitchfork-shaped letter | Steve Salitan |
| 3 Apr 2011 | 38D | Reciprocal Fibonacci constant | Oliver Hill and Eliza Bagg |
| 17 Dec 2010 | 6D | Clairvoyance and such | Patrick Berry |
| 17 Oct 2010 | 73A | Wave function symbol in quantum mechanics | Patrick Blindauer |
| 6 Oct 2010 | 59D | Tire abbr. | Ian Livengood |
| 3 Aug 2010 | 1A | Pressure meas. | Paula Gamache |
| 23 Jul 2010 | 41A | Scuba tank meas. | John Farmer |
| 31 Aug 2009 | 51A | Pitchfork-shaped Greek letter | Fred Piscop |
| 2 Jul 2009 | 38D | Wave function symbol in physics | Elizabeth C. Gorski |
| 16 Jun 2009 | 58D | Letter before omega | Paula Gamache |
| 3 Apr 2009 | 50A | Scuba tank meas. | John Farmer |
| 20 Mar 2009 | 46D | 19-Down follower | David Levinson Wilk |
| 21 Jan 2009 | 54A | Letters on tires | Fred Piscop |
| 29 Aug 2008 | 26A | Wave function symbol | Mike Nothnagel |
| 26 Apr 2008 | 54D | Telepathy, e.g. | Brad Wilber |
| 24 Mar 2008 | 34A | Letter before omega | David J. Kahn |
| 18 Nov 2007 | 113D | ESP, remote viewing, and such | Patrick Berry |
| 15 Nov 2007 | 62D | Tire meas. | Joe Krozel |
| 6 Aug 2007 | 60A | Tire pressure meas. | Allan E. Parrish |
| 27 Dec 2006 | 43D | 23rd in a series | Manny Nosowsky |
| 20 Jul 2006 | 35A | Eerie kind of powers | Kevin McCann |
| 11 May 2006 | 2D | Pitchfork-shaped letter | Joe DiPietro |
| 2 May 2006 | 39A | Letter after chi | Peter A. Collins |
| 17 Apr 2006 | 22A | Letter after chi | Larry Paul |
| 26 Mar 2006 | 109D | Abbr. on a boiler’s gauge | Patrick Berry |
| 25 Mar 2006 | 37A | Michelin guide no.? | Byron Walden |
| 13 Jan 2006 | 36A | ___ particle | Eric Berlin |
| 26 Dec 2005 | 39A | Tire pressure measure: Abbr. | Allan E. Parrish |
| 24 Dec 2005 | 58D | 23rd of 24 letters | Byron Walden |
| 14 Dec 2005 | 5D | Tire letters | James R. Leeds |
| 10 Dec 2005 | 10A | Telekinesis, e.g. | Henry Hook |
| 4 Dec 2005 | 55D | Pressure unit: Abbr. | Eric Berlin and Craig Kasper |
| 7 Oct 2005 | 40A | Greek letter spelled out at the start of a Beatles title? | Manny Nosowsky |
| 18 Sep 2005 | 80D | Last Greek consonant | Joe DiPietro |
| 28 Mar 2005 | 64D | Letter before omega | Elizabeth Babikan |
| 16 Feb 2005 | 1A | Fraternity letter | Richard Silvestri |
| 23 Jan 2005 | 113A | Kind of particle | Joe DiPietro |
| 13 Jan 2005 | 59D | Inflation measure?: Abbr. | Robert Zimmerman |
| 31 Dec 2004 | 64D | Chi follower | David Quarfoot |
| 26 Jul 2004 | 53A | Next-to-last Greek letter | Bernice Gordon |
| 1 Apr 2004 | 33A | College sweater letter | Byron Walden |
| 20 Nov 2003 | 51D | Tire abbr. | Manny Nosowsky |
| 6 Nov 2003 | 7A | Greek letter | Joe DiPietro |
| 29 Sep 2003 | 30A | Tire gauge reading: Abbr. | Richard Chisholm |
| 27 Jul 2003 | 36A | Tire meas. | Michael Grudzielanek |
| 26 Jun 2003 | 59A | Superhuman ability | Patrick Berry |
| 21 Apr 2003 | 8D | Letter before omega | Randall J. Hartman |
| 30 Jan 2003 | 29D | ESP and such | Alan Arbesfeld |
| 26 Aug 2002 | 25A | Letter before omega | Charles E. Gersch |
| 20 Jul 2002 | 40A | Sixth-sense phenomenon | Dana Motley |
| 29 May 2002 | 5D | Trident-shaped letter | Alan Olschwang |
| 24 Mar 2002 | 90A | Pressure meas. | Con Pederson |
| 15 Feb 2002 | 8D | Telekinesis, e.g. | Sherry O. Blackard |
| 10 Nov 2001 | 32A | Electric flux symbol | William I. Johnston |
| 26 Oct 2001 | 47D | Symbol of electric flux | Peter Gordon |
| 7 Oct 2001 | 15D | Telepathy and such | Patrick Berry |
| 25 Sep 2001 | 10A | Chi’s follower | A. J. Santora |
| 14 Sep 2001 | 26D | Kind of phenomena | Mark Diehl |
| 12 Aug 2001 | 1D | Telepathy, e.g. | Nancy Nicholson Joline |
| 21 Dec 2000 | 41D | Kind of particle | Manny Nosowsky |
| 20 Nov 2000 | 49A | Tire meas. | Randall J. Hartman |
| 13 Oct 2000 | 65D | Telepathy, e.g. | Joe DiPietro |
| 20 May 2000 | 11D | Telepathy, e.g. | Rich Norris |
| 10 Mar 2000 | 10D | Inflation meas. | Chuck Deodene |
| 24 Feb 2000 | 24A | “___ Love You” | Manny Nosowsky |
| 10 Oct 1999 | 112D | Phenomenon such as ESP | Cathy Millhauser |
| 16 Aug 1999 | 38A | Omega’s preceder | M. Francis Vuolo |
| 21 Jul 1999 | 52A | Pressure unit: Abbr. | Noah Dephoure |
| 15 Jun 1999 | 54A | Kind of particle | Stephanie Spadaccini |
| 21 May 1999 | 26A | Telepathy and such | Martin Ashwood-Smith |
| 20 Dec 1998 | 48D | Fraternity letter | Frances Hansen |
| 15 Nov 1998 | 5D | ___ particle | Robert H. Wolfe |
| 30 Sep 1998 | 2D | Telepathy and such | Fran and Lou Sabin |
| 20 Jul 1998 | 14A | The Beatles’ “___ Love You” | Mary E. Brindamour |
| 15 Feb 1998 | 104A | Kind of phenomena | Rich Norris |
| 30 Jan 1998 | 58D | 23d of a series | Martin Ashwood-Smith |
| 14 Sep 1997 | 59D | Sorority letter | Frank Longo |
| 3 May 1997 | 30D | Kind of particle | Rich Norris |
| 25 Jan 1997 | 25A | Pressure meas. | R. Norris |
| 10 Oct 1996 | 36D | ___ phenomena | D. J. Kahn |
| 2 Sep 1996 | 22D | Tire abbr. | F. Piscop |
| 4 Aug 1996 | 41D | Kind of particle | D. Tuller |
| 3 Jul 1996 | 19A | Air pressure abbr. | F. Heaney |
| 26 May 1996 | 71A | Kind of particle | R. Ross |
| 23 Dec 1995 | 51D | “___ Love You” | Manny Nosowsky |
| 2 Dec 1995 | 51A | ___ phenomena | Rich Norris |
| 26 Nov 1995 | 111D | ___ particle | Harvey Estes |
| 8 Oct 1995 | 106D | Campus letter | Nancy Nicholson Joline |
| 17 Jul 1995 | 53A | Letter before omega | Kenneth Witte |
| 25 Jun 1995 | 38A | Symbol of electric flux | Frances Hansen |
| 10 Jun 1995 | 42A | Inflation measure: Abbr. | Daniel R. Stark |
| 8 Mar 1995 | 31D | “___ Love You” | Wayne Robert Williams |
| 9 Oct 1994 | 59A | ___ particle | Bryant White |
| 2 Mar 1994 | 30A | Next-to-last Greek letter | Jonathan Schmatzbach |
| 2 Feb 1994 | 47A | Letter from Greece | Robert Katz |
| 12 Dec 1993 | 63D | Omega preceder | Cathy Millhauser |
Here you get PSI answered all clues with dates, Grid, and Author info. If PSI will be used in a new NYT Crossword, that will be updated here.