fullsome

Adjective

fulsome (comparative fulsomer or more fulsome, superlative fulsomest or most fulsome)

1. Offensive to good taste, tactless, overzealous, excessive.
   • [T]he Weather exceeding hot, I entreated him to let me bathe in a River that was near. He conſented, and I immediately ſtripped myſelf ſtark naked, and went down ſoftly into the ſtream. It happened that a young Female Yahoo ſtanding behind a Bank, ſaw the whole proceeding, and enflamed by Deſire...1726 October 28, [Jonathan Swift], “The Author Relates Several Particulars of the Yahoos. […]”, in Travels into Several Remote Nations of the World. […] [Gulliver’s Travels], volume II, London: […]...
2. Excessively flattering (connoting insincerity).
   • And by hideous contrast, a redundant orator was making a speech to another gathering not thirty steps away, in fulsome laudation of "our glorious British liberties!"1889, Mark Twain [pseudonym; Samuel Langhorne Clemens], “The Yankee and the King Sold as Slaves”, in A Connecticut Yankee in King Arthur’s Court, New York, N.Y.: Charles L. Webster & Company, →OCLC...

   Synonyms:

   effusive, unctuous

3. Characterised or marked by fullness; abundant, copious.
   • The fulsome thanks of the war-torn nation lifted our weary spirits.

   Synonyms:

   profuse

4. Fully developed; mature.
   • Her fulsome timbre resonated throughout the hall.