<p><strong>Noun</strong></p><ul><li>plural: peculiarities</li><li>a trait, manner, characteristic, or habit that is odd or unusual.</li><li>Synonyms: idiosyncrasy, oddity, singularity, eccentricity.</li><li>Synonyms: irregularity</li><li>a distinguishing quality or characteristic.</li><li>the quality or condition of being peculiar.</li></ul>