as·sid·u·ous /əˈsɪʤwəs, ˈsɪʤə-/
1. Constant in application or attention; devoted; attentive; unremitting.
She grows more assiduous in her attendance. --Addison.
2. Performed with constant diligence or attention; unremitting; persistent; as, assiduous labor.
To weary him with my assiduous cries. --Milton.
Syn: -- Diligent; attentive; sedulous; unwearied; unintermitted; persevering; laborious; indefatigable.
As*sid*u*ous*ly, adv. -- As*sid*u*ous*ness, n.
adj : marked by care and persistent effort; "her assiduous
attempts to learn French"; "assiduous research";
"sedulous pursuit of legal and moral principles" [syn: