Uncertain and Viable

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

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

Nearby Words: uncertainty, uncertainly

Viable adjective - Capable of being done or carried out.

Uncertain and viable are semantically related. Sometimes you can use "Uncertain" instead an adjective "Viable".

Nearby Word: viability