dass /dæs/verb 1contraction 1forms 3 verb1 •(no longer used) To dare.We all looked at one 'nother, 'n' I thought for a second somebody 'd laugh, but nobody dassed, 'n' there warn'ta sound in the room 's Aunt Beccy sot down agin' without movin' a muscle in her face. — 1890 contraction1 •Contraction of that is. formsdassed · dassing · dasses
