1. lacking the ability to express oneself, especially in clear and effective speech: an inarticulate public speaker.
  2. unable to use articulate speech: inarticulate with rage.
  3. not articulate; not uttered or emitted with expressive or intelligible modulations: His mouth stuffed, he could utter only inarticulate sounds.
  4. not fully expressed or expressible: a voice choked with inarticulate agony.
  5. Anatomy, Zoology. not jointed; having no articulation or joint.


  1. unable to express oneself fluently or clearly; incoherent
  2. (of speech, language, etc) unclear or incomprehensible; unintelligibleinarticulate grunts
  3. unable to speak; dumb
  4. unable to be expressed; unvoicedinarticulate suffering
  5. biology having no joints, segments, or articulation

c.1600, “not clear or intelligible” (of speech), from Late Latin inarticulatus “inarticulate, indistinct,” from in- “not” (see in- (1)) + articulatus, past participle of articulare (see articulation). Related: Inarticulately; inarticulateness.


  1. Uttered without the use of normal words or syllables; incomprehensible as speech or language.
  2. Unable to speak; speechless.
  3. Unable to speak with clarity or eloquence.
  4. Not having joints or segments.
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