INDELICATE
indelicate
(adjective) verging on the indecent; “an indelicate proposition”
indecorous, indelicate
(adjective) lacking propriety and good taste in manners and conduct; “indecorous behavior”
indelicate, off-color, off-colour
(adjective) in violation of good taste even verging on the indecent; “an indelicate remark”; “an off-color joke”
Source: WordNet® 3.1
Etymology
Adjective
indelicate (comparative more indelicate, superlative most indelicate)
Improper or immodest.
Coarse or tasteless.
Tactless or undiplomatic.
Source: Wiktionary
In*del"i*cate, a. Etym: [Pref. in- not + delicate: cf. F. indélicat.]
Definition: Not delicate; wanting delicacy; offensive to good manners, or
to purity of mind; coarse; rude; as, an indelicate word or
suggestion; indelicate behavior. Macaulay.
– In*del"i*cate*ly, adv.
Syn.
– Indecorous; unbecoming; unseemly; rude; coarse; broad; impolite;
gross; indecent; offensive; improper; unchaste; impure; unrefined.
Source: Webster’s Unabridged Dictionary 1913 Edition