Synonyms of tongue-tied

1 Syllable
shy, mum, dumb, dazed, mute
2 Syllables
dumbest, silent, dumbstruck, wordless, dumber, speechless, shocked, muting, aghast, muter, mumer, garbled, bashful, husher
3 Syllables
silentious, amazed, stammering, unsounded, aphasiac, tongueless, unvocal, tight-lipped, unspeaking, astounded, dumbfounded, aphasic, voiceless
4 Syllables
unpronounced, incoherent
5 Syllables
incohesive
6 Syllables
inarticulate
7 Syllables
uncommunicative