Megadata

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Extremely large collections of electronically-stored data. uncountable

    "Experience with "megadata," large collections of remote objects presented to users, suggests that users typically view large collections of icons, but open only a few of them for detailed inspection."

  2. 2
    Large collections of personal data that are gathered and maintained by companies for commercial exploitation. uncountable

    "The multiple agencies (state, non-state and hybrid) engaged in surveillance and the various processes, forms and purposes of surveillance that is brought together through information sharing networks or other means (from the sale of access to databases through to secret court orders demanding technology companies transfer megadata to state agencies) to create more intensive and comprehensive surveillance capacities."

Example

More examples

"Experience with "megadata," large collections of remote objects presented to users, suggests that users typically view large collections of icons, but open only a few of them for detailed inspection."

Etymology

From mega- + data.

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