The Oxford Thesaurus An A-Z Dictionary of Synonyms - off colouradj.

1) unwell, ill, off form, out of sorts, queasy, sick, run down, awful, seedy, Colloq under the weather, poorly, Slang lousy, rotten: I have been feeling off colour since eating that fish. 2) indelicate, risqu‚, ribald, bawdy, indecent, suggestive, broad, indelicate, inelegant, improper, inappropriate, unseemly, blue: My mother does not tolerate off-colour remarks at the dinner table.