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definitions

bestest

[bes-tist]
adjective Informal.
  1. very best; better than the best: She's my bestest friend in the whole world.

Origin of bestest

1750–60; best + -est1 suffix forming the superlative
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for bestest

Historical Examples of bestest

  • But w'en she's travelin' at her bestest speed she uses the cemetery walk.

    Sundry Accounts

    Irvin S. Cobb

  • So li'l' Mose he grab' up de nex' bestest pumpkin an' he scoot'.

    Humorous Ghost Stories

    Dorothy Scarborough

  • We crept in dar not 'cause we thought it war safe, but 'cause it war the bestest thing we could do.

    Wyoming

    Edward Sylvester Ellis

  • "The rubbith-pit is very dirty, and I've got my bestest frock on," she ventured.

    Jill's Red Bag

    Amy Le Feuvre

  • I heard father say he loved you bestest of ev'rybody in a world.

Word Origin and History for bestest
adj.

jocular emphatic superlative of best (which is itself a superlative), attested from 1834.

Online Etymology Dictionary, © 2010 Douglas Harper