thankfulness thankfully • thankless · · · Info · Definitions · Synonyms · Characters · · thankfulness · · Text Latin · · Script 12 · · Length 3 · · Syllables Definitions · · · (noun) warm friendly feelings of gratitude. Synonyms: gratefulness, appreciativeness. · · Noun Definition 1 Synonyms · · · gratefulness · · Synonym 1 appreciativeness · · Synonym 2 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 k latin small letter k U+006B l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075