While "-id" isn't a common stand-alone suffix, it's the ending of the word, and it's part of the Latin root "trepidus", meaning "fearful". The prefix "in-" means "not", so "intrepid" literally means "not fearful" or "fearless".
While "-id" isn't a common stand-alone suffix, it's the ending of the word, and it's part of the Latin root "trepidus", meaning "fearful". The prefix "in-" means "not", so "intrepid" literally means "not fearful" or "fearless".