Antonyms of adj proper

4 senses of proper

Sense 1
proper (vs. improper) -- (marked by suitability or rightness or appropriateness; "proper medical treatment"; "proper manners")

improper (vs. proper) -- (not suitable or right or appropriate; "slightly improper to dine alone with a married man"; "improper medication"; "improper attire for the golf course")
        => indecent, indecorous, unbecoming, uncomely, unseemly, untoward -- (not in keeping with accepted standards of what is right or proper in polite society; "was buried with indecent haste"; "indecorous behavior"; "language unbecoming to a lady"; "unseemly to use profanity"; "moved to curb their untoward ribaldry")
        => out-of-the-way -- (improper or even offensive; "out-of-the-way remarks")
        => wrong, incorrect -- (not in accord with established usage or procedure; "the wrong medicine"; "the wrong way to shuck clams"; "it is incorrect for a policeman to accept gifts")

Sense 2
proper (prenominal) -- (having all the qualities typical of the thing specified; "wanted a proper dinner; not just a snack"; "he finally has a proper job")

INDIRECT (VIA real) -> unreal -- (not actually such; being or seeming fanciful or imaginary; "this conversation is getting more and more unreal"; "the fantastically unreal world of government bureaucracy"; "the unreal world of advertising art")

Sense 3
proper (postnominal) -- (limited to the thing specified; "the city proper"; "his claim is connected with the deed proper")

INDIRECT (VIA specific) -> general -- (applying to all or most members of a category or group; "the general public"; "general assistance"; "a general rule"; "in general terms"; "comprehensible to the general reader")
INDIRECT (VIA specific, specific) -> nonspecific -- (not caused by a specific agent; used also of staining in making microscope slides; "nonspecific enteritis")

Sense 4
proper, right -- (appropriate for a condition or purpose or occasion or a person's character, needs; "everything in its proper place"; "the right man for the job"; "she is not suitable for the position")

INDIRECT (VIA appropriate) -> inappropriate -- (not suitable for a particular occasion etc; "noise seems inappropriate at a time of sadness"; "inappropriate shoes for a walk on the beach"; "put inappropriate pressure on them")

Similarity of adj proper

4 senses of proper

Sense 1
proper (vs. improper) -- (marked by suitability or rightness or appropriateness; "proper medical treatment"; "proper manners")
       => becoming, comely, comme il faut, decent, decorous, seemly -- (according with custom or propriety; "her becoming modesty"; "comely behavior"; "it is not comme il faut for a gentleman to be constantly asking for money"; "a decent burial"; "seemly behavior")
       => correct, right -- (socially right or correct; "it isn't right to leave the party without saying goodbye"; "correct behavior")
       => correct, right -- (in accord with accepted standards of usage or procedure; "what's the right word for this?"; "the right way to open oysters")
       => fitting -- (in harmony with the spirit of particular persons or occasion; "We have come to dedicate a portion of that field...It is altogether fitting and proper that we should do this")
       => halal -- (proper or legitimate; "the fund earns halal profits in full compliance with the Shari'a")
       => kosher -- (proper or legitimate)
       => priggish, prim, prissy, prudish, puritanical, square-toed, straitlaced, strait-laced, straightlaced, straight-laced, tight-laced, victorian -- (exaggeratedly proper; "my straitlaced Aunt Anna doesn't approve of my miniskirts")
          Also See-> appropriate#1; correct#1, right#2; decent#3; decorous#1; right#4

Sense 2
proper (prenominal) -- (having all the qualities typical of the thing specified; "wanted a proper dinner; not just a snack"; "he finally has a proper job")
       => real (prenominal) (vs. unreal) -- (no less than what is stated; worthy of the name; "the real reason"; "real war"; "a real friend"; "a real woman"; "meat and potatoes--I call that a real meal"; "it's time he had a real job"; "it's no penny-ante job--he's making real money")

Sense 3
proper (postnominal) -- (limited to the thing specified; "the city proper"; "his claim is connected with the deed proper")
       => specific (vs. general) (vs. nonspecific) -- ((sometimes followed by `to') applying to or characterized by or distinguishing something particular or special or unique; "rules with specific application"; "demands specific to the job"; "a specific and detailed account of the accident")

Sense 4
proper, right -- (appropriate for a condition or purpose or occasion or a person's character, needs; "everything in its proper place"; "the right man for the job"; "she is not suitable for the position")
       => appropriate (vs. inappropriate) -- (suitable for a particular person or place or condition etc; "a book not appropriate for children"; "a funeral conducted the appropriate solemnity"; "it seems that an apology is appropriate")