FASTIDIOUS Synonyms: 68 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/fastidious
WebSynonyms for FASTIDIOUS: careful, nice, particular, finicky, exacting, meticulous, persnickety, picky; Antonyms of FASTIDIOUS: undemanding, affable, carefree, lackadaisical, flexible, relaxed, unfastidious, lax.
DA: 7 PA: 21 MOZ Rank: 5