Meaning
That which has not been (yet) thought; that which has yet to enter into the mind; a non-existent thought.
Etymology
Origin: Old English
From un- + thought. Compare Old English unþanc (“disfavour, displeasure, anger, ill-will”).
Synonyms & Antonyms
Synonyms
unhopedinadvertentundesignedundevisedunintentionalunplannedunpremeditated
NYT Puzzle Appearances
Accepted in 3 recorded puzzles: