Capable of being cheated or deceived; vulnerable to deception or unfair treatment.
From 'cheat' (to deceive or act unfairly) plus the suffix '-able' (capable of). The word follows standard English word-formation patterns for creating adjectives from verbs.
Calling someone 'cheatable' is almost a compliment in game design—designers specifically want players to be cheatable in interesting ways, making it a key consideration in fair game balance.
Complete word intelligence in one call. Free tier — 50 lookups/day.