indefensibly

/ˌɪndɪˈfɛnsəbli/
adverb
  1. In a way that cannot be defended, justified, or excused.
    • The company acted indefensibly when it dumped waste into the river.
    • The general indefensibly ordered the attack despite knowing the risks.
    • He behaved indefensibly by shouting at the customer for no reason.
Antonyms
What does "indefensibly" mean? | whatsthatwordmean | whatsthatwordmean