Fulsome means praising so heavily that it rings false. Fulsome praise, a fulsome tribute, fulsome in his thanks.
The word is a battleground, since it originally meant abundant, then came to mean excessive and insincere, and is now drifting back towards abundant. Careful writers avoid it entirely because half the readers take it the other way.
1adjectivefulsomePraising so heavily that it rings false.
“The fulsome praise from his rival made him suspicious rather than proud.”
fulsome is a quality.
Full plus -some, with the sense moving from abundant to excessive and back again.
Middle English
fulsom
English, today
fulsome
From Middle English fulsom, equivalent to full + some. The meaning has evolved from an original positive connotation "abundant" to a neutral "plump" to a negative "overfed". In modern usage, it can take on any of these inflections. See usage note. The negative sense "offensive, gross; disgusting, sickening" developed secondarily after the 13th century and was influenced by Middle English foul (“foul”). In the 18th century, the word was sometimes even spelled foulsome.
Etymology from Wiktionary, CC BY-SA