flatteress
/flætənəs/Definitions
1. noun
A person who habitually or excessively praises or flatters others, often to gain favor or advantage.
“The politician’s flatteress was criticized for being insincere and manipulative.”
2. adjective
Lacking sincerity or genuineness in one’s praise or flattery.
“The flatteress tone of the salesperson made me distrust the product.”