Origin: Latin suffix -ous
Meticulous has 3 different meanings across 1 category:
marked by precise accordance with details
"meticulous research"
"punctilious in his attention to rules of etiquette"
marked by extreme care in treatment of details
"a meticulous craftsman"
"almost worryingly meticulous in his business formalities"
Characterized by very precise, conscientious attention to details.
Meticulous comes from the Latin word meticulōsus, which originally meant "full of fear" or "timid." Its modern sense of paying close attention to details was borrowed from French, where the meaning shifted away from fear.