DUMB Synonyms: 254 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/dumb
WEBSynonyms for DUMB: silent, speechless, mute, mum, inarticulate, muted, wordless, uncommunicative; Antonyms of DUMB: speaking, communicative, talking, eloquent, articulate, fluent, well-spoken, talkative
DA: 11 PA: 45 MOZ Rank: 97