significant

/sig-ˈni-fi-kənt/

Latin significant-, significans, present participle of significare to signify

adjective

  1. having meaning; especially : suggestive

  2. having or likely to have influence or effect : important; also : of a noticeably or measurably large amount

  3. probably caused by something other than mere chance

noun

  1. any of the digits of a number beginning with the digit farthest to the left that is not zero and ending with the last digit farthest to the right that is either not zero or that is a zero but is considered to be exact —called also significant figure

noun

  1. a person who is important to one's well-being; especially : a spouse or one in a similar relationship