When someone has lied to you before and you are cautious and unsure of whether you can trust him again, this is an example of a situation where you are leery.
- Obs. knowing
- on one's guard; wary; suspicious
Origin of leeryprobably from Middle English lere (var. of lore, lore) + -y: current sense influenced, influence by leer
(comparative leerier, superlative leeriest)