meticulous

adjective
1

Characterized by very precise, conscientious attention to details.

Synonyms: careful, painstaking, precise, rigorous, scrupulous

Antonyms: careless, slapdash, sloppy

2

Timid, fearful, overly cautious.

Antonyms: aggressive, carefree

More synonyms: careful, painstaking, precise, rigorous, scrupulous
Source: https://en.wiktionary.org/wiki/meticulous

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