UNDEFINED: Synonyms and Related Words. What is Another Word for UNDEFINED?

Need another word that means the same as “undefined”? Find 22 synonyms for “undefined” in this overview.

The synonyms of “Undefined” are: vague, unspecified, unexplained, unspecific, indeterminate, undetermined, unfixed, unsettled, indistinct, indefinite, formless, indistinguishable, hazy, misty, shadowy, nebulous, dim, obscure, blurred, blurry, bleary, out of focus

Undefined as an Adjective

Definitions of "Undefined" as an adjective

According to the Oxford Dictionary of English, “undefined” as an adjective can have the following definitions:

• Not clear or defined.
• Not precisely limited, determined, or distinguished.

Synonyms of "Undefined" as an adjective (22 Words)

bleary	(of the eyes) looking or feeling dull and unfocused from sleep or tiredness. Boris opened a bleary eye.
blurred	Unclear in form or expression- H.G.Wells. The camera caught only two blurred images.
blurry	Indistinct or hazy in outline. Their eyes were blurry with tears.
dim	Made dim or less bright. The dimmed houselights brought a hush of anticipation.
formless	Having no physical form. Belief in a world filled with formless but often malevolent beings.
hazy	Indistinct or hazy in outline. The picture we have of him is extremely hazy.
indefinite	Not clearly expressed or defined; vague. In Greek the dual contrasts with the indefinite plural.
indeterminate	(of a shoot) not having all the axes terminating in a flower bud and so potentially of indefinite length. An indeterminate campaign.
indistinct	Not clearly defined or easy to perceive or understand. Indistinct shapes in the gloom.
indistinguishable	Not able to be identified as different or distinct. The counterfeit bills were virtually indistinguishable from the real thing.
misty	Indistinct or dim in outline. It was their last night and Ruth turned her misty eyes to Fernando.
nebulous	In the form of a cloud or haze; hazy. Nebulous concepts like quality of life.
obscure	Not clearly understood or expressed-Anatole Broyard- P.A.So. Those who do not appreciate Kafka s work say his style is obscure.
out of focus	No longer fashionable.
shadowy	Lacking in substance- W.A.Butler. A shadowy figure appeared through the mist.
undetermined	Not known. Of undetermined species.
unexplained	Having the reason or cause not made clear. Cot death is still an unexplained phenomenon.
unfixed	Lacking definition or definite content- Jane Austen. The green cloth cover had become unfixed in a dozen places.
unsettled	Lacking order or stability. They charge interest on debts that remain unsettled after 30 days.
unspecific	Not specific; vague. Felt an unspecific dread.
unspecified	Not stated clearly or exactly. An unspecified number of people.
vague	Not precisely limited, determined, or distinguished. He had been very vague about his activities.

Usage Examples of "Undefined" as an adjective

• An undefined term.
• He felt an undefined longing.
• Undefined areas of jurisdiction.
• Undefined authority.
• Some undefined sense of excitement.