This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Offensively flattering or insincere. See Synonyms at unctuous.

adj. Offensive to the taste or sensibilities.

adj. Usage Problem Copious or abundant.

adj. Offensive to good taste, tactless, overzealous, excessive.

adj. Excessively flattering (connoting insincerity).

adj. Abundant, copious.

adj. Fully developed, mature.

adj. Full; abundant; plenteous; not shriveled.

adj. Offending or disgusting by overfullness, excess, or grossness; cloying; gross; nauseous; esp., offensive from excess of praise.

adj. Lustful; wanton; obscene; also, tending to obscenity.

Full; full and plump; fat.

Causing surfeit; cloying.

Offensive from excess, as of praise or demonstrative affection; gross.

Nauseous; offensive; disgusting.

Lustful; wanton.

Tending to obscenity; coarse: as, a fulsome epigram.

adj. unpleasantly and excessively suave or ingratiating in manner or speech

"V. i.112 (241,5) [as fat and fulsome] [W: flat] _Fat_ means _dull_; so we say a _fatheaded_ fellow; _fat_ likewise means _gross_, and is sometimes used for _obscene_; and _fat_ is more congruent to _fulsome_ than _flat_."

insincere   

full    abundant    plenteous    cloying    gross   

effusive    sincerest    high-flown    unstinted    hyperbolical