minisub ministryship • minisubmarine · · · Info · Definitions · Synonyms · Characters · · minisub · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) submersible vessel for one or two persons; for naval operations or underwater exploration. Synonyms: minisubmarine. · · Noun Definition 1 Synonyms · · · minisubmarine · · Synonym 1 Characters · · b latin small letter b U+0062 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E s latin small letter s U+0073 u latin small letter u U+0075