1. not good or advantageous; likely to cause problems or prevent success
2. expressing disapproval or criticism

Examples

• The weather forecast shows unfavorable conditions for the picnic.
• The company received unfavorable reviews from customers.
• Unfavorable economic conditions led to job losses.
• The candidate’s unfavorable poll numbers worried his campaign team.
• The judge’s unfavorable ruling disappointed the defense attorney.
• Unfavorable winds delayed the flight for several hours.
• The restaurant got an unfavorable rating from the food critic.