Word Study
tight lipped
THESAURUS
tight lipped
brief, brusque, close, close-tongued, closemouthed, concise, curt, dumb, economical of words, indisposed to talk, laconic, mum, mute, quiet, short, silent, snug, sparing of words, speechless, taciturn, terse, tongue-tied, unloquacious, untalkative, word-bound, wordlessFor further exploring for "tight lipped" in Webster Dictionary Online