Maybe/ˈmeɪbi/ Definition 1 of 2Pro Tip 1/3Uncertainty Use 'maybe' to show you are not sure about something. Maybe I'll bake some cookies this evening. Pro Tip 2/3Decision Making Insert 'maybe' when you haven't made a decision yet. I'm not sure, maybe I'll decide by tomorrow. Pro Tip 3/3Opinion Softener 'Maybe' can soften a statement or opinion you're not confident about. Maybe you should try calling him again.