Sycophantic (adjective)

Excessively eager to serve or please someone in a subordinate or flattering way; fawning.

Origin:

Late 16th century, from french sycophante, from greek sykophantēs 'informer, slanderer', from sykon 'fig' + phainein 'to show'. originally applied to someone who informed against fig-growers who evaded tax.

Examples:

1. The sycophantic assistant always agreed with his boss, no matter what.
2. The sycophantic politician always sought the approval of his party leader.
3. The sycophantic behavior of the courtier was infamous.
4. The sycophantic praise of the celebrity was insincere.
5. The sycophantic toady was despised by everyone for his lack of integrity.