Synonyms for Sudden

Synonyms starting with letter I

• impetuous

  abrupt, unexpected
• immediate

  unexpected
• instantaneous

  immediate
• instant

  immediate
• impulsive

  unexpected
• impromptu

  unexpected
• impatient

  impetuous
• instinctive
• involuntary
• ill-considered
• irregular
• ignorantly
• incautious
• ill-thought-out
• impolite
• irritable
• indignant
• intolerant
• irascible
• itchy
• inconsiderate
• impermanent
• in nothing flat
• indiscriminate
• incidental
• impassioned
• inadvertently
• intuitive
• impressive
• ill-advised
• important
• intense
• imprudent
• injudicious
• intermittent
• impetuously
• impulsively
• irritated
• irked
• immature