without or deprived of the use of speech or words; "inarticulate beasts"; "remained stupidly inarticulate and saying something noncommittal"; "inarticulate with rage"; "an inarticulate cry"
having more than one possible meaning; "ambiguous words"; "frustrated by ambiguous instructions, the parents were unable to assemble the toy"
having no intrinsic or objective meaning; not organized in conventional patterns; "an ambiguous situation with no frame of reference"; "ambiguous inkblots"