Synonyms of the word

inarticulate

• adj. (of speech) not articulated in normal words.
• adj. speechless.
• adj. unable to speak with any clarity.
• adj. (biology) not having joints or other articulations.
• n. (zoology) An animal belonging to the subphylum Inarticulata.

aphasic

• adj. (speech pathology) Affected by, or pertaining to, aphasia.
• n. (speech pathology) One who is afflicted by symptoms of aphasia.

aphonic

• adj. Of, relating to, or exhibiting aphonia; unable to speak.

dumb

• adj. (dated) Unable to speak; lacking power of speech (kept in "deaf, dumb, and blind").
• adj. (dated) Silent; unaccompanied by words.
• adj. (informal, pejorative, especially of a person) extremely stupid.
• adj. (figuratively) Pointless, foolish, lacking intellectual content or value.
• adj. Lacking brightness or clearness, as a colour.
• v. (dated) To silence.
• v. (transitive) To make stupid.
• v. (transitive) To represent as stupid.
• v. (transitive) To reduce the intellectual demands of.

groaning

• adj. That groans.
• adj. (figuratively) Heavily laden, as if to creak under the strain.
• n. A low sound associated with extended suffering, sorrow, and toil.
• n. Making groans.
• v. present participle of groan.

grunting

• v. present participle of grunt.
• n. A sound that grunts.

incoherent

• adj. Lacking coherence or agreement; incongruous; inconsistent; not logically connected.
• adj. Not physically coherent; loose; unconnected.

incommunicative

• adj. Uncommunicative.

moaning

• v. present participle of moan.
• n. The utterance of a moan.

mute

• adj. Not having the power of speech; dumb.
• adj. Silent; not making a sound.
• adj. Not uttered; unpronounced; silent; also, produced by complete closure of the mouth organs which interrupt…
• adj. Not giving a ringing sound when struck; said of a metal.
• n. (phonetics, now historical) A stopped consonant; a stop.
• n. (obsolete, theater) An actor who does not speak; a mime performer.
• n. A person who does not have the power of speech.
• n. A hired mourner at a funeral; an undertaker's assistant.
• n. (music) An object for dulling the sound of an instrument, especially a brass instrument, or damper for…
• v. (transitive) To silence, to make quiet.
• v. (transitive) To turn off the sound of.
• v. (now rare) Of a bird: to defecate.
• n. The faeces of a hawk or falcon.
• v. (transitive) To cast off; to moult.

silent

• adj. Free from sound or noise; absolutely still; perfectly quiet.
• adj. Not speaking; indisposed to talk; speechless; mute; taciturn; not loquacious; not talkative.
• adj. Keeping at rest; inactive; calm; undisturbed.
• adj. (pronunciation) Not pronounced; having no sound; quiescent.
• adj. Having no effect; not operating; inefficient.
• adj. (technology) Without audio capability.
• adj. Hidden, unseen.
• adj. Of an edit or change to a text, not explicitly acknowledged.
• adj. Not implying significant modifications which would affect a peptide sequence.
• adj. Undiagnosed or undetected because of an absence of symptoms.
• n. (uncountable) That which is silent; a time of silence.
• n. A silent movie.

speechless

• adj. not speaking; not knowing what to say; silent, especially due to surprise, amazement, etc.

tongue-tied

• adj. (idiomatic) Unable to express oneself clearly or fluently; at a loss for words.
• adj. Suffering from tongue-tie or ankyloglossia.

tongueless

• adj. Having no tongue.
• adj. Lacking speech; mute.
• adj. Making no sound; silent, speechless.
• adj. Expressed without speech; wordless, unspoken.

unarticulated

• adj. Not articulated.

uncommunicative

• adj. Tending not to communicate; not communicating.

unspoken

• adj. (sometimes postpositive) Not spoken; not said.
• adj. (sometimes postpositive) Not formally articulated or stated; implicit or understood.
• v. past participle of unspeak.

voiceless

• adj. Lacking a voice, without vocal sound.
• adj. (phonetics, of a consonant) Spoken without vibration of the vocal cords; unvoiced. Examples: [t], [s],…

wordless

• adj. Conveyed without the use of words; unspoken or unsaid.
• adj. Unable or unwilling to speak; dumb, silent or inarticulate.