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n. A dull, hollow sound: the thunk of a metal pipe striking a tree.

verb-intransitive. To make a dull, hollow sound: "Her hard shoes thunk on the stairs” ( Carolyn Chute).

v. Nonstandard A past tense and a past participle of think.

v. Past participle of think

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

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

n. a delayed computation

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

n. a mapping of machine data from one system-specific form to another, usually for compatibility reasons, such as from 16-bit addresses to 32-bit to allow a 16-bit program to run on a 32-bit operating system.

n. a dull hollow sound

"Tas heard a loud "thunk," and light streamed into the tunnel ahead."

to think well of   

thinking    thinks    thought   

weighing    advisement    deliberation    center    concentrate    centre    focus    pore    rivet    consider   

to think out    to think one's penny silver    to think small beer of    to think little of    to think good    to think long    to think scorn of   

thought   

plan    aim    propose    be after    purport    purpose    design    recognise    brush up    recognize   

expect    suppose    imagine    muse    cogitate    guess    meditate    believe    contemplate    ponder   

Chink    Fink    Inc    Inc.    bink    blink    brink    chink    cinque    clink   

idea    thought    notion    prospect    possibility    consciousness    habit    intelligence    sight    attitude