| doubter(noun, person, unbelief doubt, loner, dissenter) |
| pessimist(noun, person, loner, dissenter, recluse) |
| sceptic(noun, radical, revolutionary, critic, detractor) |
| skeptic(noun, person, incredulity, unbelief doubt, loner) |
| misanthrope(noun, person, attitude, downer, worrier) |
| unbeliever(noun, radical, revolutionary, critic, detractor) |
| questioner(noun, radical, revolutionary, detractor, unbelieving) |
| agnostic(noun, unbeliever) |
| detractor(noun, radical, revolutionary, critic, detractor) |
| disbeliever(noun, unbelieving, questioner, pessimist, unbeliever) |
| killjoy(noun, downer, worrier, quitter, doubter) |
| misanthropist(noun, attitude, misanthropy, nonbeliever) |
| faultfinder |
| heretic(noun, radical, revolutionary, incredulity, subversive) |
| misogynist(noun, nonbeliever) |
| prophet of doom(noun, expression, idiom, downer, worrier) |
| nihilist(noun, worrier, unbelieving, dissenter, atheist) |
| nonbeliever(noun, radical, revolutionary, critic, detractor) |
| critic(noun, radical, revolutionary, detractor, subversive) |
| knocker(noun, critic, disparager) |