The antonyms for the word "wert established" are uncertain, unstable, unsteady, hesitant, and tentative. These words signify the opposite of the established, confirmed, and known. Uncertain refers to a state of doubt or without confidence. Unstable represents something prone to change, inconsistent or unpredictable. Unsteady means something or someone with a lack of stability or balance; hesitant refers to someone who shows reluctance or unsure about a decision, while tentative means a state of hesitation or doubt. These antonyms express the opposite meaning of the word "wert established". They embody an unsure, unknown or changing state of being, which lacks confidence or stability.