Antonyms of adj debonair

2 senses of debonair

Sense 1
debonair, debonaire, debonnaire, suave -- (having a sophisticated charm; "a debonair gentleman")

INDIRECT (VIA refined) -> unrefined -- ((used of persons and their behavior) not refined; uncouth; "how can a refined girl be drawn to such an unrefined man?")

Sense 2
chipper, debonair, debonaire, jaunty -- (having a cheerful, lively, and self-confident air; "looking chipper, like a man...diverted by his own wit"- Frances G. Patton; "life that is gay, brisk, and debonair"- H.M.Reynolds; "walked with a jaunty step"; "a jaunty optimist")

INDIRECT (VIA cheerful) -> depressing, cheerless, uncheerful -- (causing sad feelings of gloom and inadequacy; "the economic outlook is depressing"; "something cheerless about the room"; "a moody and uncheerful person"; "an uncheerful place")

Similarity of adj debonair

2 senses of debonair

Sense 1
debonair, debonaire, debonnaire, suave -- (having a sophisticated charm; "a debonair gentleman")
       => refined (vs. unrefined) -- ((used of persons and their behavior) cultivated and genteel; "she was delicate and refined and unused to hardship"; "refined people with refined taste")

Sense 2
chipper, debonair, debonaire, jaunty -- (having a cheerful, lively, and self-confident air; "looking chipper, like a man...diverted by his own wit"- Frances G. Patton; "life that is gay, brisk, and debonair"- H.M.Reynolds; "walked with a jaunty step"; "a jaunty optimist")
       => cheerful (vs. depressing) -- (being full of or promoting cheer; having or showing good spirits; "her cheerful nature"; "a cheerful greeting"; "a cheerful room"; "as cheerful as anyone confined to a hospital bed could be")

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