Noah Webster's Dictionary 1. (a.) Not distinguishable; vague; not separate in such a manner as to be perceptible by itself; as, the indistinct parts of a substance. 2. (a.) Obscure to the mind or senses; not clear; not definite; confused; imperfect; faint; as, indistinct vision; an indistinct sound; an indistinct idea or recollection.

Multi-Version Concordance Indistinct (1 Occurrence) 1 Corinthians 14:8 For if the trumpet gave an uncertain sound, who would prepare himself for war? (See NAS RSV)