Gap-toothed is an adjective used to describe a person who has a visible gap or space between their teeth. Synonyms for gap-toothed include gapped, tooth-spaced, spaced-out, and diastematic. Other similar phrases include tooth-gap, teeth spaced apart, and separated teeth. These terms typically describe a prominent gap between the two front teeth, although they can also be used to describe any visible gap in a person's teeth. Some people choose to embrace the unique appearance of a gap-toothed smile, while others may seek treatment with braces or other dental interventions to close the gap.