Uncertain | Mean of uncertain in English Dictionary

/ˌʌnˈsɚtn̩/

• not certain: such as
• not exactly known or decided
1. an uncertain quantity
2. The time of departure is still uncertain.
• not sure
1. We are still uncertain of the truth.
2. She remains uncertain about her plans.
3. I'm uncertain about how to respond.

• not definitely known
1. an uncertain claim
2. The cause of the fire is uncertain.
• likely to change
1. uncertain weather
2. He has an uncertain temper.
3. They face a financially uncertain future.
• in a very clear and direct way
1. My mother told me in no uncertain terms to never say that word again!