Acostumado

Acostumado is a Portuguese adjective meaning someone who has become accustomed or habituated to something through repeated exposure. It can describe people, animals, or environments and expresses a state of familiarity or ease with a situation. The masculine singular form is acostumado, the feminine singular acostumada; the masculine plural acostumados, the feminine plural acostumadas. It is derived from the verb acostumar (to accustom), formed with the prefix a- and the suffix -ado, and it is related to the noun costume or habit, tracing back to Latin roots through historical language development.

In usage, acostumado commonly appears with estar or ficar plus a preposition. The most frequent pattern is estar acostumado a followed by an infinitive, to indicate a habitual action: estar acostumado a fazer algo. It can also take com before a noun to emphasize familiarity with a condition or environment: estar acostumado com algo. Examples include: Ele está acostumado a trabalhar até tarde. Ela está acostumada com o frio. Eles ficaram acostumados a viajar toda semana.

Differing nuances include that estar acostumado a highlights adaptation to a repeated activity, while estar acostumado com emphasizes tolerance or familiarity with a circumstance or setting. In everyday language, acostumado is often used interchangeably with habituado, though acostumado connotes practical adjustment over time.

See also: costumar, costume, habituar.