Synonyms and Antonyms of belt up
to stop talking <the schoolboy ordered his mates to belt up about the prank> Synonyms shut up [British], clam up, dry up, dummy up, hush, pipe down, quiet (down)Related Words calm (down), cool (down), settle (down); haw, hemNear Antonyms pipe up, sound off, speak out, speak up, spout (off), talk upAntonyms speak, talk
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