dumbstruck

• POS: Adjective
• HYPHEN: dumb=struck

OXFORD DICTIONARY

dumbstruck, adj. greatly shocked or surprised and so lost for words.

THESAURUS

dumbstruck

agape, aghast, agog, all agog, amazed, anaudic, aphasic, aphonic, astonished, astounded, at gaze, awed, awestruck, beguiled, bewildered, bewitched, breathless, captivated, confounded, dumb, dumbfounded, dumbstricken, enchanted, enraptured, enravished, enthralled, entranced, fascinated, flabbergasted, gaping, gauping, gazing, hypnotized, in awe, in awe of, inarticulate, lost in wonder, marveling, mesmerized, mum, mute, open-eyed, openmouthed, overwhelmed, popeyed, puzzled, rapt in wonder, speechless, spellbound, staggered, staring, stricken dumb, stupefied, surprised, thunderstruck, tongue-tied, tongueless, under a charm, voiceless, wide-eyed, wonder-struck, wondering, wordless