quick-witted

listen to the pronunciation of quick-witted
English - English
Mentally keen, alert, sharp and nimble

She was far too quick-witted to miss the implications of what he was saying.

intelligent, perceptive, clever; having a quick wit or clever understanding
mentally nimble and resourceful; "quick-witted debater"; "saved an embarrassing situation with quick-witted tact
Someone who is quick-witted is intelligent and good at thinking quickly. able to think and understand things quickly   slow-witted
quick-wittedness
intelligence as revealed by an ability to give correct responses without delay
quickwitted
Having ready wit