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  • psych
    psych
    verb (used with object)
    to make happily excited or full of eager anticipation.
  • psych-
    psych-
    variant of psycho- before some vowels.
  • psych.
    psych.
    abbreviation
    psychological.
Synonyms

psych

1 American  
[sahyk] / saɪk /
Or psyche

verb (used with object)

  • psychs,
    present (3rd person singular)
  • psyched,
    past participle,  past
  • psyching
    present participle
  1. to make happily excited or full of eager anticipation.

    Your stories about Edinburgh have psyched me more than ever for my trip there next year!

  2. to prepare mentally and emotionally so as to be in the right frame of mind to do one's best (often followed byup ).

    He sat with his eyes closed in the aircraft, psyching himself for his first parachute jump.

  3. to intimidate, make nervous, mislead, etc., in order to gain an advantage.

    A good chess player knows how to psych the opponent.


interjection

  1. Sometimes (used after deliberately misleading someone, to let them know they’ve been fooled).

    I’ve decided to put the house up for sale, and the agent is coming by in an hour . . . Psych!

verb phrase

  1. psych out. see psych-out.

  2. psych up

    1. to prepare mentally and emotionally for a challenge.

      I have to psych myself up for the annual family reunion.

    2. to create excitement and eager anticipation in.

      Beach parties, road trips, stargazing, barbecues—here are 10 tunes to psych you up for summer!

psych 2 American  
[sahyk] / saɪk /

noun

Informal.
  1. psychology, especially as a course or field of study.

    She took two semesters of psych in college.


psych 3 American  
[sahyk] / saɪk /

adjective

  1. psychedelic.

    stunning psych colors and patterns.

psych- 4 American  
  1. variant of psycho- before some vowels.

    psychasthenia.


psych. 5 American  

abbreviation

  1. psychological.

  2. psychologist.

  3. psychology.


psych British  
/ saɪk /

verb

  1. informal (tr) to psychoanalyse See also psych out psych up

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What does psych- mean? Psych- is a combining form used like a prefix meaning either “psyche” or "psychological." Psyche denotes "the human soul, spirit, or mind," while psychological is a related yet distinct term that means "pertaining to psychology, the science of the mind or of mental states." Psych- is often used in medical and technical terms, especially in psychology. Psych- comes from Greek psȳchḗ, meaning “breath, spirit, soul, mind.” For more on the meaning of this word in Ancient Greek mythology, read our entry for psyche. The word psyche is at the root of the term psychedelic, which refers to the effect of hallucinogenic drugs. What are variants of psych-?Psych- is a variant of psycho-, which loses its -o- when combined with words or word elements beginning with vowels. Want to know more? Read our Words That Use article about psycho-.

Other Word Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of psych1

First recorded in 1915–20 in earlier sense “to subject to psychoanalysis”; originally a shortening of psychoanalyze; in later use (especially in psych 1 defs. 2, 3 ), perhaps as independent use of psych-

Origin of psych2

First recorded in 1890–95; by shortening

Origin of psych3

First recorded in 1985–90

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

I also saw this same dynamic when working on a hospital psych unit as a counselor.

From The Wall Street Journal Aug. 10, 2026

Other acts to receive money from the first pot from the FAC's UK Artist Touring Fund include Southampton rapper VIC, London soul singer Ego Ella May, and Manchester psych noise group Wax Head.

From BBC Apr. 24, 2026

The Los Angeles Police Department’s psych test had found him unstable, and the L.A.

From Los Angeles Times Jan. 29, 2025

Their psych ward meet-cute isn't as romantic as it sounds — I promise.

From Salon Oct. 12, 2024

I flushed the toilet: It was a steel commode/basin combination, just like the ones in the psych unit.

From "Newjack: Guarding Sing Sing" by Ted Conover

Inner Wave is the latest in a boomlet of young Latinx psych- and oldies-influenced acts from well outside L.A.’s hipsterville neighborhoods.

From Los Angeles Times Jun. 29, 2018

This is a woman who psychs herself up in the mirror and raps to herself, in order to ...

From Slate Aug. 30, 2017

“He’s like Muhammad Ali, he psychs out all the other horses,” she said.

From Los Angeles Times Jun. 8, 2017

Before trials, he psychs himself up by yelling “Showtime!,” in a nod to “All That Jazz.”

From The New Yorker Apr. 6, 2015

You can also designate a "Fit Song," so at the touch of a button you hear the tune that always psychs you up to go all out.

From Seattle Times Jan. 7, 2012

You fooled the top psychs of the Board.

From Masters of Space by Robert Lee Berry

I psyched myself up to argue and dialed the customer service number on the back of the bill.

From Slate Apr. 25, 2026

To me, Jann is a guy that got a lot of people psyched to link arms and write about music at a time when nobody had a place to really do it.

From Los Angeles Times Oct. 22, 2025

The SNL actor said his hosts were "psyched" he wore a kilt and he "had the best dinner ever".

From BBC Oct. 20, 2025

Twenty-five years after their first album, both brothers are comfortable — psyched, even — to find their band in such an unlikely mix.

From Los Angeles Times Aug. 12, 2025

I asked my reflection, because I’d read about a general who talked to himself in the mirror to get psyched for battle.

From "Liar, Liar" by Gary Paulsen

Of course, there are limits to taking a Panglossian attitude and psyching ourselves up in the face of challenges.

From The Wall Street Journal Nov. 21, 2025

"I knew how toxic it can be. You're psyching yourself up for it, so to hear that you aren't going to need it is just unbelievable," she says.

From BBC Mar. 30, 2023

“When I look at a combination of attributes of a player, I think Micah has no problem psyching himself up to a rage,” Jones said.

From Seattle Times Jan. 20, 2023

“He’s not thinking. We came in together and you can be worried about your future a little bit, what’s going to happen. You start psyching yourself out. I think he’s just playing free.”

From Los Angeles Times Dec. 5, 2021

He wanted to think the old man was just psyching him out, but something told him the prediction was true.

From "The Son of Neptune" by Rick Riordan

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