daft

Meanings

1. 1
   adj

   Foolish, silly, stupid.

   a daft idea

2. 2
   adj

   Crazy, insane, mad.

   "Ow, he is just a wood harum-scarum creature, that wad never take to his studies;—daft, sir, clean daft." / […] / "[W]owff—a wee bit by the East-Nook or sae; it's a common case—the ae half of the warld thinks t'other daft. I have met with folks in my day, that thought I was daft mysell;[…]" / "I cannot make out a word of his cursed brogue," said the Cumbrian justice; "can you, neighbour—eh? What can he mean by deft?" / "He means mad", said the party appealed to, thrown off his guard by impatience of this protracted discussion.

3. 3
   adj

   Gentle, meek, mild.

   There's mirth in the barn and the ha', the ha', / There's mirth in the barn and the ha': / There's quaffing and laughing, / And dancing and daffing; / And our young bride's daftest of a', of a', / And our young bride's daftest of a'.

4. 4
   adj

   informal or slang terms for mentally irregular

Etymology

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”), ultimately from Proto-Indo-European *dʰh₂ebʰ- (“fitting; to fit together”). Related to Old English dafnian, dafenian (“to be fitting, appropriate, or becoming”), Russian до́брый (dóbryj, “good”). Doublet of deft. Compare silly which originally meant “blessed; good, innocent; pitiful; weak”, but now means “laughable or amusing through foolishness or a foolish appearance; ment…