inarticulate
🇺🇸
/ˌɪnɑːrˈtɪkjələt/
🇬🇧
/ˌɪnɑːˈtɪkjələt/
Unable to express thoughts or emotions well.
He was so nervous that he became inarticulate.
Lacking clear expression or coherence.
His inarticulate explanation left everyone confused.