1. more uncertain, doubtful, or risky than something else; comparative form of iffy
Usage: informal

Examples

• The weather forecast for tomorrow looks even iffier than today’s.
• His second excuse was iffier than his first one.
• The investment became iffier after the market crash.
• Her chances of winning seem iffier now that her opponent has more support.
• The plan sounds iffier the more I think about it.
• This route is iffier than the main highway during winter.