Synonyms of assiduous in English:

assiduous


See US English definition of assiduous

See UK English definition of assiduous

See Spanish definition of diligente

adjective

1‘she was assiduous in pointing out every feature’

SYNONYMS
diligent, careful, meticulous, thorough, sedulous, attentive, industrious, laborious, hard-working, conscientious, ultra-careful, punctilious, painstaking, demanding, exacting, persevering, unflagging, searching, close, elaborate, minute, accurate, correct, studious, rigorous, particular
religious, strict
pedantic, fussy