Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun clack

2 senses of clack

Sense 1
clack, clap -- (a sharp abrupt noise as if two objects hit together; may be repeated)
       => noise -- (sound of any kind (especially unintelligible or dissonant sound); "he enjoyed the street noises"; "they heard indistinct noises of people talking"; "during the firework display that ended the gala the noise reached 98 decibels")

Sense 2
clack valve, clack, clapper valve -- (a simple valve with a hinge on one side; allows fluid to flow in only one direction)
       => valve -- (control consisting of a mechanical device for controlling the flow of a fluid)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb clack

3 senses of clack

Sense 1
clatter, clack, brattle -- (make a rattling sound; "clattering dishes")
       => make noise, resound, noise -- (emit a noise)

Sense 2
cluck, click, clack -- (make a clucking sounds, characteristic of hens)
       => utter, emit, let out, let loose -- (express audibly; utter sounds (not necessarily words); "She let out a big heavy sigh"; "He uttered strange sounds that nobody could understand")

Sense 3
chatter, piffle, palaver, prate, tittle-tattle, twaddle, clack, maunder, prattle, blab, gibber, tattle, blabber, gabble -- (speak (about unimportant matters) rapidly and incessantly)
       => talk, speak, utter, mouth, verbalize, verbalise -- (express in speech; "She talks a lot of nonsense"; "This depressed patient does not verbalize")