1. dishonest or unreliable; suspicious or questionable
Usage: chiefly British; informal
2. risky or dangerous; likely to cause problems
Usage: chiefly British; informal
3. of poor quality or in bad condition
Usage: chiefly British; informal

Examples

• I wouldn’t trust that dodgy salesman.
• The car dealer seemed a bit dodgy to me.
• That ladder looks dodgy – don’t climb it.
• We took a dodgy shortcut through the alley.
• My phone has been acting dodgy lately.
• The brakes on this bike are dodgy.
• He’s involved in some dodgy business deals.