meticulous - vocabulary

  edgood  —  Grammar Tips

Taking extreme care with minute details; precise; thorough.
Moreover, in his tremendous prophecy of this kingdom which was to make all men one together in God, Jesus had small patience for the bargaining righteousness of formal religion. Another large part of his recorded utterances is aimed against the meticulous observance of the rules of the pious career.

—H. G. Wells A Short History of the World (1922)