Wordnet 3.0
ADVERB (1)
1.
in a slavish manner;
- Example: "his followers slavishly believed in his new diet"
The Collaborative International Dictionary of English v.0.48:
Slavish \Slav"ish\, a.
Of or pertaining to slaves; such as becomes or befits a
slave; servile; excessively laborious; as, a slavish life; a
slavish dependance on the great. -- Slav"ish*ly, adv. --
Slav"ish*ness, n.
[1913 Webster]
WordNet (r) 3.0 (2006):
slavishly
adv 1: in a slavish manner; "his followers slavishly believed in
his new diet"