assiduous Meaning, Definition & Usage

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

WordNet


As*sid"u*ous adjective
Etymology
L. assiduus, fr. assidre to sit near or close; ad + sedre to sit. See Sit.
Definitions
  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.

Webster 1913