1. By virtue of a contract
   "they were contractually responsible"

See also: contractual

• proficiently
• profile
• profiler
• profiling
• profit
• profit and loss
• profit and loss account
• profit margin
• profit sharing
• profit taker
• profit-and-loss statement
• profit-maximising
• profit-maximizing
• profitability
• profitable
• profitableness
• profitably
• the Pamirs
• the pits
• the right way
• the shit
• the shits
• the skinny
• The Star-Spangled Banner
• the States