1. Of an organism's environment; least favourable for survival
   - pessimal

See also: worst

• Andrei Dimitrievich Sakharov
• Andrei Gromyko
• bouncy
• bouncy castle
• bound
• bound form
• bound morpheme
• bound off
• bound up
• boundary
• boundary condition
• boundary layer
• boundary line
• bounded
• bounded interval
• boundedness
• bounden
• bounder
• bounderish
• boundless
• boundlessly
• boundlessness
• bounds
• bounteous
• bounteously