noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   One who, or that which, derails.
2. 2
   One who, or that which, derails.; Synonym of derail: A device placed on railway tracks in order to cause a train to derail.
3. 3
   Alternative form of derailleur. alt-of, alternative, uncommon

   "Very few bicycles are of a different color or employ more gears with derailer sprockets and hand brakes."

Synonyms

All synonyms

derail

Example

More examples

"Very few bicycles are of a different color or employ more gears with derailer sprockets and hand brakes."

Etymology

From derail + -er. Doublet of derailleur.

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