Synonyms:
- agnostic,
- ambiguous,
- balbutient,
- bashful,
- boggling,
- capricious,
- cautious,
- chancy,
- changeable,
- demurring,
- dicey,
- diffident,
- doubting,
- equivocal,
- erratic,
- faltering,
- fickle,
- halting,
- hesitant,
- incalculable,
- indecisive,
- indemonstrable,
- irresolute,
- jibbing,
- modest,
- polysemous,
- qualmish,
- scrupling,
- scrupulous,
- shilly-shallying,
- shrinking,
- shy,
- skeptical,
- squeamish,
- stammering,
- sticking,
- stickling,
- straining,
- stumbling,
- stuttering,
- tentative,
- timid,
- touch-and-go,
- unaccountable,
- uncertain,
- unconfirmable,
- unconvinced,
- undivinable,
- unforeseeable,
- unpersuaded,
- unpredictable,
- unprovable,
- unsure,
- unverifiable,
- variable,
- wavering,
- whimsical