innuendo

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An indirect or subtle, usually derogatory implication in expression; an insinuation.
• noun Law A plaintiff's allegation explicating the defamatory meaning of the publication or utterance in a libel suit.

from The Century Dictionary.

• [L.] Intimating; insinuating; signifying: a word used at the beginning of an explanatory parenthetical clause in Latin (Middle Latin), and still occasionally in English, pleadings, introducing the person or thing meant: as, he (innuendo the plaintiff) did so and so.
• n.; pl. innuendos or innuendoes (-dōz). An oblique hint; an indirect intimation about a person or thing; an allusive or inferential suggestion: commonly used in a bad sense, but sometimes in an innocent one. Also, erroneously, inuendo.
• Synonyms See hint, transitive verb (end of comparison).

from the GNU version of the Collaborative International Dictionary of English.

• noun An oblique hint; a remote allusion or reference, usually derogatory to a person or thing not named; an insinuation.
• noun (Law) An averment employed in pleading, to point the application of matter otherwise unintelligible; an interpretative parenthesis thrown into quoted matter to explain an obscure word or words; -- as, the plaintiff avers that the defendant said that he (innuendo the plaintiff) was a thief.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A derogatory hint or reference to a person or thing. An implication or insinuation.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun an indirect (and usually malicious) implication