doing something in opposition to another way of doing it that you don't like; "his style of painting was a reaction against cubism"
a bodily process occurring due to the effect of some foregoing stimulus or agent; "a bad reaction to the medicine"; "his responses have slowed with age"
an idea evoked by some experience; "his reaction to the news was to start planning what to do"
extreme conservatism in political or social matters; "the forces of reaction carried the election"
a response that reveals a person's feelings or attitude; "he was pleased by the audience's reaction to his performance"; "John feared his mother's reaction when she saw the broken lamp"
(mechanics) the equal and opposite force that is produced when any force is applied to a body; "every action has an equal and opposite reaction"
lacking order or methodical arrangement or function; "a disorganized enterprise"; "a thousand pages of muddy and disorganized prose"; "she was too disorganized to be an agreeable roommate"
affected by a disorder of the mind; "a mental patient"; "mental illness"
involving the mind or an intellectual process; "mental images of happy times"; "mental calculations"; "in a terrible mental state"; "mental suffering"; "free from mental defects"
of or relating to the chin- or liplike structure in insects and certain mollusks
of or relating to the mind; "mental powers"; "mental development"; "mental hygiene"