different from what is normal, usual or expected

different from standard or norm

not typical; not the usual or normal type

nonconforming

suffering from delirium

mentally imbalanced

risky; not safe

evasively tricky

(of something good or pleasant) unusual

irregular

(an instance of) a change in the basic structure of a living or developing organism which can affect the shape, size etc

metamorphosis

(of) a person suffering from a neurosis; (of) a person who is often very anxious

mentally maladjusted

of, like, an obsession

mentally maladjusted

(of a person) deliberately continuing to do wrong; (of behaviour) unreasonable

mean, ornery; troublesome

not representative

nonconforming

false; disloyal

dishonest