From Biology-Online Dictionary | Biology-Online Dictionary


1. Not distinct or distinguishable; not separate in such a manner as to be perceptible by itself; as, the indistinct parts of a substance. Indistinct as water is in water.

2. Obscure to the mind or senses; not clear; not definite; confused; imperfect; faint; as, indistinct vision; an indistinct sound; an indistinct idea or recollection. When we come to parts too small four our senses, our ideas of these little bodies become obscure and indistinct. (i. Watts) Their views, indeed, are indistinct and dim. (Cowper)

Synonym: Undefined, indistinguishable, obscure, indefinite, vague, ambiguous, uncertain, confused.

Origin: L. Indistinctus: cf. F. Indistinct. See in- not, and Distinct.