Synonyms:
- a bit thick,
- a bit thin,
- absurd,
- ambiguous,
- arguable,
- at issue,
- baffling,
- bewildering,
- beyond belief,
- bothering,
- confounding,
- confusing,
- confutable,
- conjectural,
- contestable,
- controversial,
- controvertible,
- debatable,
- deniable,
- difficult,
- discomposing,
- disconcerting,
- dismaying,
- disputable,
- disputed,
- distracting,
- disturbing,
- doubtable,
- doubted,
- doubtful,
- dubious,
- dubitable,
- embarrassing,
- enigmatic,
- hairy,
- hard of belief,
- hard to believe,
- iffy,
- implausible,
- in dispute,
- in doubt,
- in dubio,
- in question,
- inconceivable,
- incredible,
- indecisive,
- intricate,
- mistakable,
- moot,
- mysterious,
- mystifying,
- not deserving belief,
- open,
- open to doubt,
- open to question,
- open to suspicion,
- passing belief,
- perplexing,
- perturbing,
- precarious,
- preposterous,
- problematical,
- puzzling,
- questionable,
- questioned,
- refutable,
- ridiculous,
- sensitive,
- speculative,
- staggering belief,
- suppositional,
- suspect,
- suspicious,
- tall,
- thick,
- thin,
- touchy,
- tricky,
- unbelievable,
- uncertain,
- unconvincing,
- undecided,
- unearthly,
- ungodly,
- unimaginable,
- unsettled,
- unthinkable,
- unworthy of belief,
- upsetting