Antonyms of adj practical

4 senses of practical

Sense 1
practical (vs. impractical) -- (concerned with actual use or practice; "he is a very practical person"; "the idea had no practical application"; "a practical knowledge of Japanese"; "woodworking is a practical art")

impractical (vs. practical) -- (not practical; not workable or not given to practical matters; "refloating the ship proved impractical because of the expense"; "he is intelligent but too impractical for commercial work"; "an impractical solution")
        => crazy, half-baked, screwball, softheaded -- (foolish; totally unsound; "a crazy scheme"; "half-baked ideas"; "a screwball proposal without a prayer of working")
        => meshugge, meshugga, meshuga, meshuggeneh, meshuggener -- (senseless; crazy)
        => quixotic, romantic, wild-eyed -- (not sensible about practical matters; idealistic and unrealistic; "as quixotic as a restoration of medieval knighthood"; "a romantic disregard for money"; "a wild-eyed dream of a world state")
        => unfunctional -- (not related to or suitable for everyday needs or activities)
        => unwieldy -- (difficult to work or manipulate; "unwieldy rules and regulations")

Sense 2
hardheaded, hard-nosed, practical, pragmatic -- (guided by practical experience and observation rather than theory; "a hardheaded appraisal of our position"; "a hard-nosed labor leader"; "completely practical in his approach to business"; "not ideology but pragmatic politics")

INDIRECT (VIA realistic) -> unrealistic -- (not realistic; "unrealistic expectations"; "prices at unrealistic high levels")

Sense 3
virtual (prenominal), practical (prenominal) -- (being actually such in almost every respect; "a practical failure"; "the once elegant temple lay in virtual ruin")

INDIRECT (VIA realistic) -> unrealistic -- (not realistic; "unrealistic expectations"; "prices at unrealistic high levels")

Sense 4
practical -- (having or put to a practical purpose or use; "practical mathematics"; "practical applications of calculus")

INDIRECT (VIA applied) -> theoretical -- (concerned with theories rather than their practical applications; "theoretical physics")

Similarity of adj practical

4 senses of practical

Sense 1
practical (vs. impractical) -- (concerned with actual use or practice; "he is a very practical person"; "the idea had no practical application"; "a practical knowledge of Japanese"; "woodworking is a practical art")
       => applicative, applicatory -- (readily applicable or practical)
       => functional -- (designed for or adapted to a function or use; "functional education selects knowledge that is concrete and usable rather than abstract and theoretical"; "functional architecture")
       => interoperable -- (able to exchange and use information)
       => matter-of-fact, pragmatic, pragmatical -- (concerned with practical matters; "a matter-of-fact (or pragmatic) approach to the problem"; "a matter-of-fact account of the trip")
       => operable, practicable -- (usable for a specific purpose; "an operable plan"; "a practicable solution")
       => serviceable -- (intended or able to serve a purpose without elaboration; "serviceable low-heeled shoes";)
       => unimaginative -- (dealing only with concrete facts)
       => working -- (adequate for practical use; especially sufficient in strength or numbers to accomplish something; "the party has a working majority in the House"; "a working knowledge of Spanish")
          Also See-> concrete#1; possible#1; realistic#1; serviceable#1

Sense 2
hardheaded, hard-nosed, practical, pragmatic -- (guided by practical experience and observation rather than theory; "a hardheaded appraisal of our position"; "a hard-nosed labor leader"; "completely practical in his approach to business"; "not ideology but pragmatic politics")
       => realistic (vs. unrealistic) -- (aware or expressing awareness of things as they really are; "a realistic description"; "a realistic view of the possibilities"; "a realistic appraisal of our chances"; "the actors tried to create a realistic portrayal of the Africans")

Sense 3
virtual (prenominal), practical (prenominal) -- (being actually such in almost every respect; "a practical failure"; "the once elegant temple lay in virtual ruin")
       => realistic (vs. unrealistic) -- (aware or expressing awareness of things as they really are; "a realistic description"; "a realistic view of the possibilities"; "a realistic appraisal of our chances"; "the actors tried to create a realistic portrayal of the Africans")

Sense 4
practical -- (having or put to a practical purpose or use; "practical mathematics"; "practical applications of calculus")
       => applied (vs. theoretical) -- (concerned with concrete problems or data rather than with fundamental principles; "applied physics"; "applied psychology"; "technical problems in medicine, engineering, economics and other applied disciplines"- Sidney Hook)

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