See also: 1.º, 1o, 1O, 1/O, and 1-O

Italian

Adjective

(feminine , no plural)

  1. abbreviation of primo (first)

Portuguese

Adjective

(feminine , masculine plural 1os, feminine plural 1as, not comparable)

  1. alternative form of 1.º

Spanish

Adjective

 m

  1. nonstandard form of 1.º