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thunk

verbinterjectionverbnounverbattested in dialogue

  • //θʌŋk//

Representing the dull sound of the impact of a heavy object striking another and coming to an immediate standstill, with neither object being broken by the impact.

verb

  1. 1

    Also a form of thinkpast participle of think

    Who would have thunk those guys would have a problem with a little lie?

    A skunk sat on a stump and thunk the stump stunk, but the stump thunk that the skunk stunk.

    I could think of things I never thunk before ...

    “Do you think I could have a minute to think about it?” “The prisoner needs a moment to think about it.” “It's ok. I thought about it.” “He's thunk about it.” “Okay. And I agree.”

Etymology

By analogy with past participles ending in "-unk", such as drunk and sunk.

interjection

  1. 1

    Representing the dull sound of the impact of a heavy object striking another and coming to an immediate standstill, with neither object being broken by the impact.

Etymology

Onomatopoeic.

verb

  1. 1

    To strike against something, without breakage, making a "thunk" sound.

    I was thunked on the head by his stick.

noun

  1. 1

    A delayed computation.

    Not surprisingly, a thunk is more expensive to store than a single number[…].

  2. 2

    In the Scheme programming language, a function or procedure taking no arguments.

  3. 3

    A specialized subroutine that one software module uses to execute code in another module.

    If the provider of these DLLs has not updated the code to a 32-bit environment, you will have to switch to a new 32-bit library or write thunks between your 32-bit code and the 16-bit DLL.

Etymology

Said by the inventors to be from the irregular jocular past tense of think (see Etymology 1), being coined when they realised that the type of an argument in ALGOL 60 could be predetermined at compile time (with a little compile-time “thought”).

verb

  1. 1

    To delay (a computation).

    Not surprisingly, a thunk is more expensive to store than a single number, and the more complex the thunked expression, the more space it needs. For something cheap such as arithmetic, thunking an expression is more computationally expensive than calculating it immediately.

  2. 2

    To execute (code) by means of a thunk.

    This efficiency is offset by the fact that some of the calls made by Win32 apps must now be thunked down to 16 bits, something that isn't necessary in Windows NT and OS/2.

Forms

plural
thunks
past tense
thunked
past participle
thunked
present participle
thunking
third person singular
thunks
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).