tubeless tubehearted • tubelet · · · Info · Definitions · Synonyms · Characters · · tubeless · · Text Latin · · Script 8 · · Length Definitions · · · (noun) pneumatic tire not needing an inner tube to be airtight. Synonyms: tubeless tire. · · Noun Definition 1 (adj) of a tire; not needing an inner tube. Synonyms: tubeless (vs. tubed). · · Adjective Definition 1 Synonyms · · · tubeless tire · · Synonym 1 Characters · · b latin small letter b U+0062 e latin small letter e U+0065 l latin small letter l U+006C s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075