Physically or morally objectionable, offensive, or unpleasant; indecent, filthy, vile.

Dishonourable, disgraceful, shameful; indecent, vile.

Offensive to propriety or moral feeling; = indecent, adj. 3. Now dialect.

Of language (or the speaker). Loose, gross, indecent.

Morally corrupt; indecent, obscene, lewd.

Offending against the recognized standards of propriety and delicacy; highly indelicate, immodest; suggesting or tending to obscenity.

Improper, obscene. Chiefly in paw word. Cf. paw-paw, adj.

Improper, nasty; indecent, obscene, immoral.

Not in accordance with good manners, modesty, or decorum; unbecoming, unseemly; indecorous, indecent. Also transferred of a person.

spec. Not in accordance with good manners or decorum; indecent, immodest; = improper, adj. 3.

Jocularly used for: Improper, of improper character.

Of imaginative composition: Indelicate in its appeal to sexual emotion.

colloquial. Coarse, obscene; (esp. of a joke, story, film, etc.) having sexual content, pornographic. Cf. blue movie n. at compounds 1d, blueness, n.…

Immodest, indecent. rare.

Of questionable taste, disreputable; improper, vulgar; spec. (of language, jokes, etc.) slightly indecent or obscene. Cf. dirty, adj. 2.

colloquial or slang. ‘Spicy’, ‘smutty’.

euphemistic. Apt to suggest something indecent.

colloquial. Astounding, sensational; licentious, risqué; in Sport, of a shot or hit: exceedingly fast, ‘blistering’.

figurative. Suggestive, esp. in a sexual way; piquant, racy, sensational. colloquial.

Chiefly U.S. Racy, spicy, salacious; scandalous, disreputable.