eas·i·ly / ˈēz(ə)lē/ • adv. 1. without difficulty or effort: he climbed the mountain easily. ∎ in a relaxed manner: he shrugged easily. ∎ more quickly or frequently than is usual: they get bored easily.2. without doubt; by far: English is easily the reigning language in the financial world. ∎ very probably: events that could easily become stodgy and predictable.