Related Clues:

• Scoundrels ultimately misbehave and use bad language
• "Dog" is term of abuse — so is this
• Use bad language beginning in spectator sport
• Curse sun on the river
• Blaspheme; damn
• Sons are covered by promise
• Promise on oath
• Pledge succeeded, joining fray
• Make a deposition
• Eff and blind
• Promise sport on the Sabbath
• Priests get special rise for oath
• Take the oath
• Promise to get Sunday clothes
• Promise to replace waders but not dungarees initially