(idiomatic, Philippines) A way of thinking best described by the phrase "if I can't have it, neither can you." The metaphor refers to a pot of crabs in which one tries to escape over the side, but is relentlessly pulled down by the others in the pot.

(now offensive) intellectually disabled, medically defined as having an IQ (intelligence quotient) below 70 in addition to deficits in two or more adaptive behaviors (which means having problems with basic functional skills that affect everyday, general living).

Difficult and complex logical thought processes, especially when performed effortlessly. / (derogatory) Inventive, complex arguments used to justify what is otherwise unjustifiable.

The tendency for groups of individuals to act together without planned direction.

plural of mental hospital

Having a psychological disorder.

(psychology) Repression of painful thoughts. / (psychology) Inability to continue a train of thought.

Having both physical and mental aspects; involving both the body and the mind; psychosomatic.

(derogatory slang) A psychiatric hospital, or the psychiatric ward of a hospital.

(uncountable, psychiatry) The property of being mentally ill; mental disorders taken as a whole. / (countable, psychiatry) A mental disorder.