Pronunciation: [ muh-tik-yuh-luhs ]
Definition: adjective
taking or showing extreme care about minute details; precise; thorough

Origin: Mid 16th century; Latin
Etymology: from Latin meticulosus, from metus ‘fear’. The word came to mean ‘overcareful about detail’, hence the current sense (early 19th century)
Usage:

Synonyms:
accurate
cautious
conscientious
exact
precise
thorough
Antonyms:
careless
imprecise
inaccurate
indefinite
inexact
Example:
The surgeon received numerous awards for his meticulous and superior work.