Wordnet 3.0
ADVERB (1)
1.
with care and persistence;
- Example: "she worked assiduously on the senior thesis"
The Collaborative International Dictionary of English v.0.48:
Assiduous \As*sid"u*ous\, a. [L. assiduus, fr. assid?re to sit
near or close; ad + sed[=e]re to sit. See Sit.]
1. Constant in application or attention; devoted; attentive;
unremitting.
[1913 Webster]
She grows more assiduous in her attendance.
--Addison.
[1913 Webster]
2. Performed with constant diligence or attention;
unremitting; persistent; as, assiduous labor.
[1913 Webster]
To weary him with my assiduous cries. --Milton.
[1913 Webster]
Syn: Diligent; attentive; sedulous; unwearied; unintermitted;
persevering; laborious; indefatigable.
[1913 Webster] As*sid"u*ous*ly, adv. --
As*sid"u*ous*ness, n.
[1913 Webster]
WordNet (r) 3.0 (2006):
assiduously
adv 1: with care and persistence; "she worked assiduously on the
senior thesis"