Never
Unfailingly
Unfailingly adverb - On every relevant occasion.
Usage example: she has been unfailingly optimistic throughout this ordeal
Never is an antonym for unfailingly.
Nearby Word: unfailing
Both words in one sentence
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Although he's a car thief, he's never shown to be anything but friendly and an unfailingly loyal friend to Max.
Source: Film / Elysium - His goodness is never in question — he's unfailingly polite, selfless, and idealistic, even in the midst of battle.
Source: Good Is Not Dumb -
He will never ever give up chasing after his siblings, saying stuff "belongs to him" and being almost always unfailingly cheerful while doing so.
Source: Plucky Girl
Cite this Source
Unfailingly and Never. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/never/unfailingly
Never & Unfailingly. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/never/unfailingly>.
Unfailingly or Never. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/never/unfailingly.
Google Ngram Viewer shows how "never" and "unfailingly" have occurred on timeline