English edit

Adjective edit

quick as thought (not comparable)

  1. (simile) Very quick.

Adverb edit

quick as thought (not comparable)

  1. (simile) Very quickly.
    • 1883, Robert Louis Stevenson, Treasure Island:
      Quick as thought, I sprang into the mizzen shrouds, rattled up hand over hand, and did not draw a breath till I was seated on the cross-trees.