Definitions
informal or slang terms for mentally irregular
Word origin
From Middle English dafte, defte (“gentle; having good manners; humble, modest; awkward; dull; boorish”), from Old English dæfte (“accommodating; gentle, meek, mild”), from Proto-West Germanic *daftī (“fitting, suitable”). Related to Old English dafnian, dafenian (“to be fitting, appropriate, or becoming”), Russian до́брый (dóbryj, “good”). Doublet of deft.
Used in a sentence
“a daft idea”
“Thou art the daftest fuill that ever I saw. / Trows thou, man, be the law to get remeid / Of men of kirk? Na, nocht till thou be deid.”
You are the daftest fool that ever I saw. / Trust you, man, by the law to get a remedy / From men of the church? No, not till you are dead.“You haven't exactly been playing the master tactician through all this, but that seems the daftest course you could possibly have taken.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Silly in British use”4 letters
02“Foolish, in Britain”4 letters
Not quite right?
"Search similar patterns."
D___