indefinidamente

indefinitely

in not; un- + definida Feminine singular + mente forms adverbs meaning “in a ... manner”
adverb Rare #47,296
indefinitely
SP: La reunión se pospuso indefinidamente.
EN: The meeting was postponed indefinitely.

Un cepillo de pelo me dura indefinidamente.

A hairbrush lasts me indefinitely.

Sabes que no podrá durar indefinidamente.

You know it can't last indefinitely.

— Las invasiones bárbaras (2003)

No podemos mantener este secreto indefinidamente.

We can't keep this secret indefinitely.

No podemos mantenerlo en secreto indefinidamente.

We can't keep it a secret indefinitely.