incierto

Semi-learned borrowing from Latin incertus (“uncertain”).

• IPA^(key): /inˈθjeɾto/ [ĩn̟ˈθjeɾ.t̪o] (Spain, Equatorial Guinea)
• IPA^(key): /inˈsjeɾto/ [ĩnˈsjeɾ.t̪o] (Latin America, Philippines)
• Rhymes: -eɾto
• Syllabification: in‧cier‧to

incierto (feminine incierta, masculine plural inciertos, feminine plural inciertas)

1. uncertain

   Synonym: vacilante

   Antonym: cierto

2. untrue, false

   Synonym: falso

   Antonym: cierto

• “incierto”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025