Select the option that can be used as a one-word substitute for the given group of words.
Unable to speak distinctly or express oneself clearly.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Inarticulate.
Inane: Silly or lacking sense.
Inapt: Unsuitable or inappropriate.
Inarch: To arch inward (not related to speech).
Inarticulate: Unable to express oneself clearly.
Inarticulate means someone unable to express one's feelings or ideas clearly.
Hence, option 4 is correct.