Synonyms for Quick

Synonyms starting with letter I

• immediate

  sudden, prompt, timely
• 

  intelligent

  bright, sharp-witted, smart
• instant

  immediate, prompt, timely
• instantaneous

  fast, instant, immediate
• impetuous

  fast, character trait, abrupt
• impatient

  excitable, abrupt, fast
• ingenious

  clever
• inventive

  clever
• incisive
• irascible

  excitable, abrupt, character trait
• impulsive
• irritable

  excitable, abrupt, character trait
• insightful
• 

  intellectual

  bright
• impermanent
• inside
• in short order
• in good time
• intermediacy
• immediately
• intensely

  completely
• in a minute
• in a little while
• intuitive
• industrious
• in nothing flat
• in haste
• interior
• instinctive
• in the gut

  raw spot
• in double time
• in high gear
• instantly
• in the flesh
• in the land of the living
• incautious
• import
• insincere
• in advance
• in the bud