Inarticulate

1. Not uttered with articulation or intelligible distinctness, as speech or words.
2. Incapable of articulating.
3. Incapable of expressing one's ideas or feelings clearly.
1. Not jointed or articulated; having no distinct body segments; as, an inarticulate worm.
2. Without a hinge; -- said of an order (Inarticulata or Ecardines) of brachiopods.