I wish! Definition 1 of 1Pro Tip 1/3Expressing Regret Conveys a feeling of regret about something that's not possible or didn't happen. 'I wish I'd learned to swim when I was younger.' Pro Tip 2/3Stressing Improbability Shows that you think something is very unlikely to happen but still hope for it. 'I wish I could fly like a bird.' Pro Tip 3/3Subtle Sarcasm Can be used sarcastically to signify that you actually don't believe in or expect the mentioned scenario. 'You think I'll win the lottery? I wish!'