Part of speech:
Subject to or causing doubt:
Verging on a given quality or condition:
The definition of problematic is something that creates or presents a difficulty, or that seems to be untrue, unlikely or incorrect.
Subject to doubt or question; uncertain.
Free from doubt or confusion; certain:
Uncertain or doubtful:
Full of diffidence; lacking self-confidence; timid; shy
Not safe from danger
Having or causing mistrust, suspicions, or forebodings.
(Informal) Not definite; containing doubtful elements; dependent upon varying conditions
Not great; calculable:
The definition of timid is shy and fearful.
Not clearly defined; not explicit.
Not firm or stable; shaky
Lacking in mental power, or in the ability to think, judge, decide, etc.
The definition of definite is something that has limits, is clear in meaning, absolutely true and positive.
That cannot be doubted, questioned, or disputed; absolutely true; certain
Not doubted or questioned; accepted:
Reserved; disinclined to familiar approach.
Having two or more possible meanings
Fraught with uncertainty or doubt; undecided.
Not conclusive or final; not leading to a definite result
Not fixed or known in advance:
Not definitely as specified; uncertain
Completely obvious; blatant:
Of or characteristic of skeptics or skepticism
Find another word for unsure. In this page you can discover 64 synonyms, antonyms, idiomatic expressions, and related words for unsure, like: uncertain, doubtful, hesitant, borderline, problematic, dubitable, indefinite, shaky, untrustworthy, in doubt and clear.