Synonyms for indefinable

Adjective

1. indefinable, undefinable, undefined (vs. defined), vague

usage: not capable of being precisely or readily described; not easily put into words; "an indefinable feeling of terror"; "an abstract concept that seems indefinable"

2. indefinable, indescribable, ineffable, unspeakable, untellable, unutterable, inexpressible (vs. expressible), unexpressible

usage: defying expression or description; "indefinable yearnings"; "indescribable beauty"; "ineffable ecstasy"; "inexpressible anguish"; "unspeakable happiness"; "unutterable contempt"; "a thing of untellable splendor"