Definition of uncertain in English:

uncertain

Line breaks: un|cer¦tain
Pronunciation: /ʌnˈsəːt(ə)n
 
, -tɪn/

adjective

1Not able to be relied on; not known or definite: an uncertain future
More example sentences
  • They were released on bail following a public outcry but still faced an uncertain future.
  • However, the future still looks uncertain as he has no money for higher education.
  • Now the future is uncertain for the restored Victorian warehouse with floors the size of a football pitch.
Synonyms
unknown, undetermined, unsettled, unresolved, unsure, pending, in the balance, in limbo, up in the air, debatable, open to question, in doubt; unpredictable, unforeseeable, incalculable, speculative; unreliable, untrustworthy, undependable, risky, chancy
informal dicey, hairy, iffy
British informal dodgy
changeable, variable, varying, irregular, fitful, unpredictable, unreliable, unsettled, unstable, erratic, fluctuating
1.1(Of a person) not completely confident or sure of something: I was uncertain how to proceed
More example sentences
  • If people are uncertain as to who they are uniting against, they seem even less sure of what they are standing up for.
  • There were lots of times when people were very uncertain about the situation there.
  • Frances was uncertain how younger students would view her, but soon made her mark.
Synonyms

Phrases

in no uncertain terms

Clearly and forcefully: she has already refused me, in no uncertain terms
More example sentences
  • Grampian Police has a booklet on how to pass its tests in which it spells out the need for police officers to be fit in no uncertain terms.
  • That's how we started, in fact, making speeches laying out what we wanted in no uncertain terms.
  • That has meant telling trade groups and industry lobbies in no uncertain terms not to hire Democrats.

Derivatives

uncertainly

adverb
More example sentences
  • Extras glance uncertainly at the camera, and at one stage a bewigged gentleman, bent double, is seen scampering out of shot.
  • I ride into this particular battle mounted uncertainly on the fence.
  • The punch dropped the Scot to the canvas and when he rose to try to beat the count, he could only stumble uncertainly towards his corner.

Definition of uncertain in:

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Word of the day apposite
Pronunciation: ˈapəzɪt
adjective
apt in the circumstances or relation to something