servile

Short definition from Wiktionary

Adjective

1. 1
   Excessively eager to please; obsequious.
2. 2
   Slavish or submissive.
3. 3
   Slavish or submissive: Of or pertaining to a slave.
4. 4
   Not belonging to the original root.
5. 5
   Not sounded, but serving to lengthen the preceding vowel, like the e in tune.

Noun

1. 1
   An element which forms no part of the original root.
2. 2
   A slave; a menial.