flatteringгерундий или причастие настоящего времени Used attributively and predicatively as a present-participle adjective formed from the verb ‘flatter’.
She received a flattering compliment about her dress.
Она получила лестный комплимент по поводу своего платья.
flatteringсуществительное Used as a gerund meaning the act or practice of giving excessive or insincere praise; generally uncountable.