glegness

/ˈɡlɛɡnəs/
noun
  1. Quickness of perception or understanding; alertness and sharpness of mind.
    • The detective's glegness helped him notice the tiny clue others missed.
    • With remarkable glegness, the student answered the teacher's tricky question instantly.
    • Her glegness in solving puzzles amazed everyone in the room.
Antonyms
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