halfbaked

Adjective

half-baked (comparative more half-baked, superlative most half-baked)

1. (figuratively, informal, frequently derogatory) Of a person or thing: incompletely developed or formed; not fully prepared or trained.
   • And idolatrous parents hovv carefull they are to nuzzle vp their Poſterity in Superſtition and Idolatry; I vvould our profeſt Popelings, and halfe-baked Proteſtants, did not let vs ſee but too often.1621 June 29 (date delivered; Gregorian calendar), Robert Saunderson [i.e., Robert Sanderson], “The Third Sermon. At Grantham Linc[olnshire] 19. Jun. 1621.”, in Twelve Sermons, […], [new] edition...
   1. (figuratively, informal, frequently derogatory) Of an idea or scheme; not carefully considered or fully planned; ill-conceived, unsound.
      • The guy had some half-baked idea for getting rich in the stock market.
2. (figuratively, informal, frequently derogatory) Of a person: having no common sense or intelligence; foolish.
   • [H]e treated his cousin as a sort of harmless lunatic, and, as they say in Devon, "half-baked."1855, Charles Kingsley, “Of Two Gentlemen of Wales, and How They Hunted with the Hounds, and yet Ran with the Deer”, in Westward Ho!: Or, The Voyages and Adventures of Sir Amyas Leigh, Knight, […]...

   Synonyms:

   asinine, balmy, barmy, bedaft, loony, daft, derpy, dim-headed, dim-witted, dopey

   Antonyms:

   astute, clairvoyant, deep, frood, grounded, judicious, oracular, perspicacious, politic, profound

3. (figuratively, informal, frequently derogatory) Of a person: mildly under the influence of alcohol, a drug, etc.
   • If you need to talk to John tonight, try to catch him early in the evening, while he’s still only half-baked.

   Synonyms:

   Adrian Quist, adrip, aled up, all mops and brooms, arseholed, a sheet in the wind, a sheet in the wind's eye, bedrunken, befuddled, beliquored

   Antonyms:

   clearheaded, dry, on the wagon, sober, sober as a judge, stone-cold sober, undrunken, unintoxicated

4. Used other than figuratively or idiomatically: partially cooked by heating in an oven, either as an accidental outcome or as a work in process.
   • Near-synonyms: (dated) dough-baked, underbaked

   Synonyms:

   dough-baked, underbaked

See all 6 meanings of half-baked