Uncertain and Unascertainable

Uncertain adjective - Likely to change frequently, suddenly, or unexpectedly.

Unascertainable and uncertain are semantically related. In some cases you can use "Unascertainable" instead an adjective "Uncertain".

Nearby Words: uncertainty, uncertainly

Unascertainable adjective - Not able to be ascertained; resisting discovery.

Uncertain and unascertainable are semantically related. Sometimes you can replace term "Uncertain" with "Unascertainable", this adjectives are similar.