sedulous
adjective
[ ˈsɛdjʊləs ]
• (of a person or action) showing dedication and diligence.
• "he watched himself with the most sedulous care"
Similar:
diligent,
careful,
meticulous,
thorough,
assiduous,
attentive,
industrious,
laborious,
hard-working,
conscientious,
ultra-careful,
punctilious,
scrupulous,
painstaking,
searching,
close,
elaborate,
minute,
studious,
rigorous,
particular,
religious,
strict,
pedantic,
fussy,
Origin:
mid 16th century: from Latin sedulus ‘zealous’ + -ous.