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bestest

American  
[bes-tist] / ˈbɛs tɪst /

adjective

Informal.
  1. very best; better than the best.

    She's my bestest friend in the whole world.


Etymology

Origin of bestest

1750–60; best ( def. ) + -est 1 ( def. ) suffix forming the superlative

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Superman myth has always been a fable of collision: a near-perfect alien challenged to protect fragile, scared humans who struggle to accept that we’re not the bestest beings in the universe.

From Los Angeles Times • Jul. 8, 2025

“They are some of my bestest friends EVER!”

From Seattle Times • Aug. 25, 2023

And from all of this, it seems to me, two questions arise: Are we truly getting what we pay so dearly for — the bestest, finest, most exceptional military ever?

From Salon • Aug. 9, 2023

Is Washington, D.C., just about the bestest place in the whole wide world or is it a stinking cesspool of sweaty armpits and philandering spouses?

From Washington Post • Aug. 2, 2015

I hadn’t exactly been the bestest friend either.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas