The term 'Quick on the Draw' is an idiom that refers to someone who is FAST in responding to a situation. This phrase can be broken down into three crossword solutions: FAST (4 letters), SPRY (4 letters), and SWIFT (5 letters). FAST is an adjective that means moving or able to move with great speed. SPRY is an adjective that means active, nimble, and agile. SWIFT is an adjective that means moving or able to move with great speed. All three words are synonyms for the phrase 'Quick on the Draw' and describe someone who is FAST in responding to a situation.