single A2

/ˈsɪŋɡəl/ Only one; not more than one.

singular A2

/ˈsɪŋ.ɡjə.lɚ/ (grammar) referring to just one person or thing, not more than one

singly C2+

/ˈsɪŋɡli/ one at a time; individually or separately

unsingular C2+

/ʌnˈsɪŋɡjələr/ not singular; ordinary or unremarkable

singularize C2+

/ˈsɪŋɡjələraɪz/ to make singular or distinguish as unique

singularly C2+

/ˈsɪŋɡjələrli/ in a remarkable or exceptional manner; uniquely