theoretical

Synonyms

abstract, conceptual, ideal, metaphysical, notional;

Antonyms

concrete, nonabstract;

Near Antonyms

material, physical;

appreciable, detectable, discernible (also discernable), noticeable, observable, palpable, perceptible, sensible, substantial, tangible, visible;

defined, definite, distinct;

actual, factual, real;

Related Words

conjectural, hypothetical, speculative;

cosmic (also cosmical), intellectual, mental, spiritual;

ethereal, immaterial, incorporeal, insubstantial, nonmaterial, nonphysical, unsubstantial;

impalpable, imperceptible, insensible, intangible, invisible;

impractical, romantic, transcendent, transcendental, unreal, utopian, visionary;