<p><strong>Noun</strong></p><ul><li>skeptical attitude or temper; doubt.</li><li>Synonyms: questioning</li><li>doubt or unbelief with regard to a religion, especially Christianity.</li><li>Synonyms: agnosticism, atheism, disbelief</li><li>Antonyms: faith</li><li>(initial capital letter) the doctrines or opinions of philosophical Skeptics; universal doubt.</li></ul>