indefensible

 
Pronunciation: /ɪndɪˈfɛnsɪb(ə)l/

adjective

  • 1not justifiable by argument: this behaviour is morally indefensible
  • 2not able to be protected against attack: the towns were tactically indefensible

Derivatives

indefensibility

Pronunciation: /-ˈbɪlɪti/
noun

indefensibly

adverb