Uttered without the use of normal words or syllables; incomprehensible as speech or language: "a cry . . . that . . . sank down into an inarticulate whine"(Jack London).
Unable to speak; speechless: inarticulate with astonishment.
Unable to speak with clarity or eloquence: an inarticulate debater.
Going unexpressed: inarticulate sorrow.
Biology Not having joints or segments.
in'ar·tic'u·late·ly adv., in'ar·tic'u·late·ness, in'ar·tic'u·la·cy (-lə-sē) n.
(ĭn'är-tĭk'yə-lĭt) 