what is a subtitle
â¢ SUBTITLE (noun). The noun SUBTITLE has 2 senses: 1. translation of foreign dialogue of a movie or TV program; usually displayed at the bottom of the screen. 2. secondary or explanatory title. Familiarity information: SUBTITLE used as a noun is rare.â¢ SUBTITLE (verb). The verb SUBTITLE has 1 sense: 1. supply (a movie) with subtitles. Familiarity information: SUBTITLE used as a verb is very rare.. translation of foreign dialogue of a movie or TV program; usually displayed at the bottom of the screen. 2. secondary or explanatory title. Familiarity information: SUBTITLE used as a noun is rare.