slowness; inertness; inability; lack of talent; dullness
nimble; agile; quick; quick (thinking); smart; alert
sensitive; alert; aware; susceptible
nervousness; oversensitivity
clever; shrewd; canny; smart; quick; prompt
quick-witted and agile; keen and nimble
intelligence; discernment
quickness; agility; activity
quick to seize an opportunity
sharp (mind); keen; acute