What does discipline mean?
Discipline is a word with two main strands of meaning. In its everyday sense, it refers to the training of oneself or others to act in accordance with rules or standards — the self-control that allows a person to keep practising, working, or studying even when motivation fades. It also carries a more formal meaning: a distinct branch of knowledge or learning, such as history, mathematics, or psychology, each constituting its own academic discipline with its own methods and conventions. A third sense involves punishment or corrective action, as when a soldier or employee is disciplined for misconduct. Derived from Latin *disciplina*, meaning instruction or training, the word is closely related to 'disciple' — literally one who learns. Today it carries broadly positive connotations of rigour, consistency, and mastery, though in punitive contexts it can suggest harshness. Its versatility makes it central to discussions of education, personal development, and scholarship alike.
Training to improve strength or self-control; orderly conduct resulting from such training; a branch of knowledge; punishment to correct behaviour.
"Good study discipline helped her finish the course a year early."
Usually uncountable when referring to self-control; countable when referring to a field of study.
To train someone to obey rules or a code of behaviour, typically using punishment to correct disobedience.
"The coach disciplined the player for arriving late to practice."
Often used reflexively: 'to discipline oneself'.
The plural is common when referring to multiple fields of study or branches of knowledge.
"Her research spans several disciplines, from biology to philosophy."
The word 'discipline' comes from the same Latin root as 'disciple' — originally it meant teaching a follower, not punishing them.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of discipline
Discipline derives from Latin *disciplina*, meaning 'teaching, instruction, training', which itself comes from *discipulus* ('learner, pupil') — the same root that gives us 'disciple'. The word entered English via Old French around the Middle Ages, initially carrying strong religious connotations of spiritual instruction and self-mortification before broadening to cover military training, punishment, and systematic study. Cognates include French *discipline*, Italian *disciplina*, and Spanish *disciplina*, all tracing back to the Latin original.
Related word forms
How discipline is actually used
As a noun, 'discipline' is usually uncountable when referring to self-control or order ('great discipline'), but countable when referring to a field of study ('a new discipline'). As a verb, it is common in institutional and parenting contexts but can sound formal or punitive.
Easily confused with discipline
'Displine' is not a standard English word; 'discipline' is the only correct spelling.