fundamentar

“fundamentar” — to back up in Spanish. Verb, level B1. To lay a foundation under a claim. Justificar — to justify an act, a different thing. In a live sentence: “Fundamenta tu respuesta con datos” — Back up your answer with data. You can hear how it sounds right here. A word from the everyday Spanish course, level B1.

Updated September 1, 2026 · Lingofly

In short

“to back up” in Spanish
Written in Spanishfundamentar
Translationto back up
Part of speechverb
LevelB1
  • fundamentar
    to back up

Why it looks that way

To lay a foundation under a claim. Justificar — to justify an act, a different thing

A word with a story stays in memory longer than one learned as a “spelling — translation” pair: memory holds on to meaning, not to a string.

In a live sentence

A single word almost never appears alone in conversation. A sentence shows where it fits and what stands next to it.

  • Fundamenta tu respuesta con datos
    Back up your answer with data

How not to forget this word

Reading a word and remembering it are different jobs. A day later, little survives of a single reading — and that is not bad memory, that is how memory works.

Frequently asked

How do you say “to back up” in Spanish?

«fundamentar». In a live sentence: “Fundamenta tu respuesta con datos” — Back up your answer with data. You can hear how it sounds right on this page. Verb, level B1.

Why does this word look the way it does?

To lay a foundation under a claim. Justificar — to justify an act, a different thing. A word with a story stays in memory longer than a “spelling — translation” pair: memory holds on to meaning, not to a string.

Can I hear how it sounds?

Yes, right on this page: click the word and it will play. The sound works on any phone, and nothing needs to be installed.

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