MAINTAIN Synonyms: 137 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/maintain
WEBSynonyms for MAINTAIN: preserve, conserve, save, protect, defend, restore, keep up, sustain; Antonyms of MAINTAIN: ignore, disregard, destroy, neglect, break, hurt, impair, injure.
DA: 5 PA: 88 MOZ Rank: 33