1. Incapable of being overcome or subdued
   - invincible, unbeatable

See also: unconquerable

• derecognise
• derecognize
• dereference
• deregulate
• deregulating
• deregulation
• derelict
• dereliction
• derequisition
• derestrict
• deride
• derision
• derisive
• derisively
• derisorily
• derisory
• derivable
• derivate
• derivation
• derivational
• derivational morphology
• derivative
• derivative instrument
• derive
• derived