proibir

Proibir is a Portuguese verb meaning to ban or to prohibit. It is a transitive verb used to indicate that an action or object is not allowed by law, rule, or authority. The verb can govern a direct object (for example, a prohibited item) or be used in the structure proibir alguém de fazer algo (to prohibit someone from doing something). Common examples include “O governo proibiu a venda de álcool a menores” or “Fumar é proibido neste espaço.”

Etymology and related forms: Proibir derives from Latin prohibere, meaning to hinder or prevent. The related noun is proibição (ban) and the adjective prohibido (banned). The verb shares its semantic field with terms such as interditar (to interdict) and vedar (to seal off).

Conjugation overview: Proibir is a regular -ir verb in its conjugation pattern, with typical endings and stress adjustments in the present and other tenses. Present indicative forms include eu proíbo, tu proíbes, ele proíbe, nós proibimos, vós proibís, eles proíbem. The infinitive is proibir; the gerund is proibindo; the past participle is proibido. The pretérito perfeito (simple past) forms are eu proibi, tu proibiste, ele proibiu, nós proibimos, vós proibistes, eles proibiram. The present subjunctive forms include que eu proíba, que tu proibas, que ele proíba, etc.

Usage notes: In regulatory language, proibir is frequently used to describe prohibitions in laws, rules, and official communications. The opposite action is permitir or autorizar. Proibição as a noun denotes the state or act of banning, while prohibitivo refers to measures or language that impose a ban.