nondistinctive

non·dis·tinc·tive

N0137900 (nŏn′dĭ-stĭngk′tĭv)adj. Not phonemically distinctive; not serving to distinguish meaning.

nondistinctive

(ˌnɒndɪsˈtɪŋktɪv) adj (Linguistics) linguistics (of a speech sound) having no effect on the meaning being conveyed

non•dis•tinc•tive

(ˌnɒn dɪˈstɪŋk tɪv)

adj. Ling. not serving to distinguish meanings: a nondistinctive difference in sound. [1915–20]