indefinito undefined

Language
html
Surface
keywords
Locale
it
Concept
undefined
Brain ID
html/keywords/undefined
Upstream reference
MDN · deep
Brain version
1.1.0-alpha.13 · generated Mon, 20 Jul 2026 15:26:24 GMT · hash 4914b8003cdd29d0…

Provenance

Full per-leaf change history across brain builds is not yet recorded; shown is the current build's layer stack.

Discuss this term on the NADA forum →

Across locales

What each covering migration carries for this concept, per locale — the whole-brain view, not filtered by your language. Forms are the migration's leaf values (pre-transform, pre-human-verdict); a locale without a form falls back to canonical English. Chips open that locale's live docs page for this term.

null-absence · concept undefined — per-locale forms

Expand to load the per-locale matrix.

demo-alpha · concept undefined — per-locale forms

Expand to load the per-locale matrix.

sealion-refinement · concept undefined — per-locale forms

Expand to load the per-locale matrix.

AI council review

Reviewed by 1 model · @cf/aisingapore/gemma-sea-lion-v4-27b-it · 2026-07-17

Cluster null-absence · locale it · member undefined

confirm
verdict
indefinito
existing translation
indefinito
improved translation
Explanation

'Indefinito' is a precise and accurate translation for 'undefined', capturing the meaning of a variable or value that hasn't been assigned.