perforce /pər-fōrsˈ or -försˈ/

1. By force
2. Of necessity

• crackliest
• crackling
• cracklings
• crackly
• cracknel
• cracknels
• crack of doom
• crack on
• crackpot
• crackpots
• crack-rope
• cracks
• cracksman
• cracksmen
• crack the whip
• crack-tryst
• crack-trysts
• dimethylamine
• dimethylamines
• dimethylaniline
• dimethyls
• dimethyl sulphoxide
• dimetric
• dimidiate
• dimidiated