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Definition 2024

onlest ‎(not comparable)

(US, dialectal, chiefly African American Vernacular, possibly dated) Only.
I'm the onlest father them boys has got.
- (Can we date this quote?), Scott Dunbar, quoted in 2009 by William R. Ferris in Give My Poor Heart Ease: Voices of the Mississippi Blues (ISBN 080789852X):
  I knowed the onlest thing to get her cured was to get a bucket of ice water, […]