100 Best Synonyms for “Unsure”

No.	Item	Definition
1.	50-50	Equally possible either way.
2.	all at sea	Completely confused and uncertain.
3.	ambiguous	Not clear or definite.
4.	ambivalent	Having mixed feelings.
5.	anyone’s guess	Completely uncertain.
6.	apprehensive	Anxious and uncertain about outcomes.
7.	arguable	Open to debate.
8.	at a loss	Not knowing what to do.
9.	at sea	Confused and uncertain.
10.	baffled	Unable to understand.
11.	befuddled	Confused and unclear-minded.
12.	bewildered	Very confused and uncertain.
13.	can’t say	Unable to answer certainly.
14.	can’t tell	Unable to know or judge.
15.	chancy	Uncertain and risky.
16.	chary	Cautious and doubtful.
17.	cloudy	Not clear or certain.
18.	conflicted	Torn between opposing views.
19.	confused	Unable to think clearly.
20.	conjectural	Based on conjecture, not proof.
21.	debatable	Not clearly settled or true.
22.	dicey	Uncertain or risky.
23.	disbelieving	Not accepting as true.
24.	disputable	Open to argument or doubt.
25.	distrustful	Not ready to trust.
26.	doubt-filled	Filled with uncertainty.
27.	doubt-ridden	Full of doubt.
28.	doubtful	Feeling or showing doubt.
29.	doubting	Feeling uncertainty or suspicion.
30.	dubious	Doubtful or suspicious.
31.	faltering	Hesitating from uncertainty.
32.	flummoxed	Confused and uncertain.
33.	full of doubt	Very uncertain.
34.	fuzzy	Unclear or imprecise.
35.	hard to say	Difficult to know certainly.
36.	hazy	Unclear in thought or detail.
37.	hesitant	Slow to act from uncertainty.
38.	hypothetical	Assumed rather than certain.
39.	iffy	Doubtful or uncertain.
40.	in a dilemma	Facing a difficult choice.
41.	in a quandary	In a state of uncertainty.
42.	in doubt	Uncertain about something.
43.	in two minds	Unable to decide.
44.	incredulous	Unable or unwilling to believe.
45.	indecisive	Having trouble making decisions.
46.	insecure	Lacking confidence or certainty.
47.	irresolute	Unable to decide firmly.
48.	leery	Wary or suspicious.
49.	lost	Uncertain what to do.
50.	mistrustful	Inclined not to trust.
51.	moot	Open to discussion or doubt.
52.	murky	Unclear or hard to know.
53.	mystified	Confused by something unclear.
54.	nebulous	Vague or poorly defined.
55.	noncommittal	Avoiding a definite position.
56.	not certain	Without definite knowledge.
57.	not clear	Not certain or understandable.
58.	not convinced	Still doubting something.
59.	not decided	No choice has been made.
60.	not positive	Not completely certain.
61.	not sure	Lacking certainty.
62.	on shaky ground	Not secure or certain.
63.	on the fence	Undecided between options.
64.	open to question	Not definitely true.
65.	perplexed	Confused and uncertain.
66.	plagued by doubt	Troubled by uncertainty.
67.	precarious	Uncertain and insecure.
68.	problematic	Doubtful or difficult.
69.	puzzled	Confused and unsure.
70.	questionable	Open to doubt.
71.	questioning	Showing doubt or uncertainty.
72.	racked by doubt	Deeply troubled by uncertainty.
73.	second-guessing	Doubting a decision.
74.	shaky	Not firm or confident.
75.	skeptical	Inclined to doubt.
76.	speculative	Based on guesswork, not certainty.
77.	stumped	Unable to answer or decide.
78.	subject to doubt	Not fully certain.
79.	suspicious	Doubtful about honesty or truth.
80.	tentative	Not fully certain or fixed.
81.	tenuous	Weak or uncertain.
82.	thrown	Made confused or uncertain.
83.	to be decided	Still awaiting a decision.
84.	to be determined	Not yet decided.
85.	torn	Unable to choose between options.
86.	touch-and-go	Very uncertain in outcome.
87.	uncertain	Not sure or definite.
88.	unconvinced	Not persuaded or satisfied.
89.	undecided	Not having made a decision.
90.	uneasy	Worried or uncertain.
91.	unpersuaded	Not convinced by arguments.
92.	unresolved	Not yet decided or settled.
93.	unsatisfied	Not fully convinced or content.
94.	unsettled	Not resolved or calm.
95.	unsold	Not yet convinced.
96.	up in the air	Not yet decided.
97.	vacillating	Alternating between choices.
98.	vague	Not clearly expressed or known.
99.	wary	Cautious because of doubt.
100.	wavering	Shifting between choices or opinions.