1. Occurring singly; not one of a pair
   "the azygous muscle of the uvula"
   - azygos

See also: single

• nonpasserine
• nonpasserine bird
• nonpayment
• nonperformance
• nonperiodic
• nonperson
• nonpersonal
• nonphotosynthetic
• nonphysical
• nonplus
• nonplused
• nonplussed
• nonpoisonous
• nonpolar
• nonpolitical
• nonporous
• nonpregnant
• nonprehensile
• nonprescription
• nonproductive
• nonprofessional
• nonprofit
• nonprofit organisation
• nonprofit organization
• nonprognosticative