noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A phrase used in encryption as a key, like a single keyword (password).
2. 2
   A phrase of relative importance in a text, acting like a keyword (important term) or a combination of keywords.

Synonyms

All synonyms

passphrase

Etymology

From key + phrase.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.