形容词

1. 不善表达的;不善辞令的
If someone is inarticulate, they are unable to express themselves easily or well in speech.

1. without or deprived of the use of speech or words

e.g. inarticulate beasts
remained stupidly inarticulate and saying something noncommittal
inarticulate with rage
an inarticulate cry

Synonym: unarticulate