adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An early registration, before the normal or traditional time, as with early online check-in at hotels. countable, uncountable

   "There is no charge for participation but pre-registration is necessary since space is limited."

2. 2
   Registration (of a study design) before a clinical trial (or any other type of scientific experiment) begins, for methodologic and thus epistemologic rigor. countable, uncountable

Adjective

1. 1
   Before registration. not-comparable

   "a preregistration check"

2. 2
   Pertaining to preregistration (of scientific trials or other experiments). not-comparable

Example

More examples

"Preregistration isn't required."

Etymology

From pre- + registration.

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