adj.
Pronunciation: ə - ' sij-w ə s, - ' si-j ə -
Function: adjective
Etymology: Latin assiduus, from assid ē re
Date: 1622
: marked by careful unremitting attention or persistent application <an assiduous book collector> <tended her garden with assiduous attention>
synonyms see BUSY
– as · sid · u · ous · ly adverb
– as · sid · u · ous · ness noun