1. Without any excuse
   "he is unjustifiably harsh on her"
   - inexcusably

See also: unjustifiable

Antonym: justifiably

• bioelectricity
• bioengineer
• bioengineering
• bioethics
• biofeedback
• bioflavinoid
• bioflavonoid
• biofuel
• biogas
• biogenesis
• biogenetic
• biogenic
• biogenous
• biogeny
• biogeographic
• biogeographical
• biogeographical region
• biogeography
• biographer
• biographic
• biographical
• biography
• biohazard
• biohazard suit
• bioinformatics