词源 |
slack-jawed adj.1882, "over-talkative," from slack-jaw (n.) "impertinent language" (1797), from slack (adj.) + colloquial jaw "rude talk, abusive clamor" (1748; see jaw (n.)). The meaning "open-mouthed and speechless" from astonishment, stupidity, etc., is attested from 1905, with more of the literal sense of jaw (n.). See slack (adj.) for similar compounds. updated on December 15, 2022 |