Standard Lemma guide

declassification

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • UK: /diːˌklæsɪfɪˈkeɪʃən/
  • rhymes with -eɪʃən

1

noun

Meaning 1

The process of declassifying.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

reduction or removal by the government of restrictions on a classified document or weapon

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: classification

Broader terms: decrease, diminution, reduction, step-down

History

Etymology

Etymology tree Proto-Indo-European *de Proto-Indo-European *-h1 Proto-Indo-European *déh1 Proto-Italic *dē Latin dē Latin dē-der. English de- English classification English declassification From de- + classification.

Across languages

Translations

2 source translations are retained for this English entry.

  • Finnish: salaisuusluokituksen poistaminen — the process of declassifying; lifting restrictions on
  • Russian: рассекре́чивание (rassekréčivanije) — the process of declassifying; lifting restrictions on