1. In an unfaithful undependable unreliable manner
   - undependably, unreliably

See also: unfaithful

Antonym: faithfully

• proconsul
• proconsular
• proconsulate
• proconsulship
• proconvertin
• procrastinate
• procrastination
• procrastinator
• procreant
• procreate
• procreation
• procreative
• procreator
• Procrustean
• procrustean bed
• procrustean rule
• procrustean standard
• Procrustes
• proctalgia
• proctitis
• proctocele
• proctologist
• proctology
• proctoplasty
• proctor