duff² /duf/ (informal)

1. No good
2. Broken, not working

• querying
• queryingly
• queryings
• query language
• query languages
• quesadilla
• quesadillas
• quest
• questant
• quested
• quester
• questers
• questing
• questingly
• questings
• question
• questionabilities
• questionability
• questionable
• questionableness
• questionably
• questionaries
• questionary
• question-begging
• questioned