fulsome

adjective4

1. •
   Offensive to good taste, tactless, overzealous, excessive.

   • You will hear the advanced enfans perdus, as the French call them, and so they are indeed, namely, children of the fall, singing unclean and fulsome ballads of sin and harlotrie. — 1820
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
3. •
   Characterised or marked by fullness; abundant, copious.

   • The fulsome thanks of the war-torn nation lifted our weary spirits.
4. •
   Fully developed; mature.

   • Her fulsome timbre resonated throughout the hall.