hullo hull-less oat • hullock · · · Info · Definitions · Synonyms · Characters · · hullo · · Text Latin · · Script 5 · · Length 2 · · Syllables Definitions · · · (noun) an expression of greeting. Synonyms: hello, hi, howdy, how-do-you-do. Example: "Every morning they exchanged polite hellos." · · Noun Definition 1 Synonyms · · · hello · · Synonym 1 hi · · Synonym 2 howdy · · Synonym 3 how-do-you-do · · Synonym 4 Characters · · h latin small letter h U+0068 l latin small letter l U+006C o latin small letter o U+006F u latin small letter u U+0075