diametrical/die·əʹmetrikl/ adj

• be no spring chicken
• bent
• Benthamism
• benthos
• bentonite
• bentwood
• benumb
• Benzedrine
• benzene
• benzene ring
• benzine
• benzodiazepine
• benzoic acid
• benzoin
• benzol
• be off (one's) guard
• be of little avail/no avail
• be of service to somebody
• be on a hiding to nothing
• be one jump ahead of somebody
• be oneself
• be one's own man
• be on good/bad terms with
• be on nodding terms
• be on/off message