assiduous Meaning, Definition & Usage

adjective satellite marked by care and persistent effort
sedulous.
- her assiduous attempts to learn French
- assiduous research
- sedulous pursuit of legal and moral principles

L. assiduus, fr. assidre to sit near or close; ad + sedre to sit. See Sit.

Constant in application or attention; devoted; attentive; unremitting.
She grows more assiduous in her attendance. Addison.
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.