Related Clues:
- Throw mud at, figuratively
- Ask for identification
- Question the truth of
- Call into question or attack by words
- Nip mug badly and call in question
- Dispute truth or validity of
- Try to discredit, express doubts about honesty
- Attack as false
- Question truth of - dare
- Express doubts about, try to discredit
- Express doubts about truth or honesty of
- Demanding or stimulating situation
- Express doubts about truth or honesty of, say motives
- Ask to take part in a contest
- Issue an invitation to compete