Here's a breakdown of the meaning:
* Excessively flattering: The praise is overdone and seems almost overwhelming.
* Insincere: The praise is not genuine and may be intended to manipulate or gain something from the recipient.
Examples:
* "The politician gave a fulsome speech, praising the voters for their wisdom and good sense." (The politician was likely trying to win votes.)
* "She received fulsome compliments about her new dress, but they felt insincere." (The compliments were likely made to make her feel good, not because the person genuinely liked the dress.)
Synonyms:
* Overblown
* Gushing
* Unctuous
* Flattering
* Insincere
Antonyms:
* Sincere
* Honest
* Restrained
* Understated
Note: "Fulsome" can also be used to describe something excessively abundant or plentiful, but this usage is less common.