noun, noun or participle which takes 'suru'
ingratiation; sycophancy; flattery and servile compliance
A formal yojijukugo describing the act of flattering others and currying favor by saying or doing whatever pleases them, often with a negative connotation of obsequiousness.
彼は上司に阿諛迎合して出世した。
He got promoted by flattering and sucking up to his boss.
An attitude of sycophancy will lose trust in the long run.