anaudic aphasic aphonic breathless brief brusque close close-tongued closemouthed concise curt dumb dumbfounded dumbstricken dumbstruck economical of words inarticulate indisposed to talk laconic mum mute quiet short silent snug sparing of words speechless stricken dumb taciturn terse tight-lipped tongueless unloquacious untalkative voiceless word-bound wordless