Insignificant antonyms | adjectives

Antonyms for Insignificant as a Adjective

• significant

  unimportant, not important
• important

  unimportant, significant
• substantial

  unimportant, not important
• meaningful

  unimportant, not important
• big

  considerable, not important
• large

  considerable, not important
• consequential

  unimportant
• major
• valuable
• worthwhile
• momentous
• huge
• considerable
• weighty
• useful

  significant
• relevant
• essential
• remarkable
• fundamental
• eventful
• noteworthy
• material
• sensible
• decisive
• fateful
• chief
• dominant
• overbearing
• overriding
• principal
• outstanding
• prominent
• distinguished
• eminent
• great
• illustrious
• prestigious
• famous
• notorious
• renowned
• key
• serious
• conspicuous
• striking
• appreciable
• overmastering
• exceptional
• impressive
• preeminent
• all-important