English Reference
adjective · verb · noun

degenerate

adj. · v. · n.
US /dɪˈdʒɛnɝˌeɪt/ de·gen·er·ate UK spelling degenerated, degenerates, degenerating

  1. 01 C1 Advanced Formal

    adj.having very low standards of behavior or morals.

    adj.having lost desirable or moral qualities; characterized by corruption or lack of ethical standards.

    Simple

    The old ruler was a degenerate man who cared only for his own wealth.

    In context

    Critics argued that the film's focus on senseless violence was a sign of a degenerate culture obsessed with shock value.

  2. 02 C2 Proficiency Technical Math

    adj.describing a version of something that is much simpler or less developed than usual.

    adj.qualitatively simpler than typical objects of its class; in geometry, a limiting case such as a point being a degenerate circle.

    Simple

    A single point can be seen as a degenerate circle with a radius of zero.

    In context

    The mathematician explained that the line segment was actually a degenerate case of a triangle where the height had collapsed to zero.

  3. 03 C2 Proficiency Technical Science

    adj.having the same amount of energy.

    adj.relating to different quantum states that share the same energy level.

    Simple

    The electrons occupied degenerate orbitals within the same atom.

    In context

    In the absence of an external magnetic field, the three p-orbitals remain degenerate, possessing identical energy levels.

  4. 04 C1 Advanced Formal

    v.to become worse in quality or to break down.

    v.to decline or deteriorate physically, mentally, or morally; to sink into a lower or less perfect state.

    Simple

    The peaceful protest began to degenerate into a violent riot as night fell.

    In context

    Without proper maintenance, the historic building will quickly degenerate into a pile of rubble and rusted metal.

    Usage

    The verb is intransitive and is frequently followed by the preposition 'into'.

  5. 05 C1 Advanced Informal

    n.a person who has very low morals or bad habits.

    n.a person whose behavior or character has declined to an undesirable or immoral level.

    Simple

    He was dismissed by his peers as a degenerate who spent all his time gambling.

    In context

    The social reformer argued that the prison system was creating more degenerates rather than rehabilitating the inmates.

    reprobatedeviant

In a piece in April last year he said the Republican party had “degenerated into a low-IQ cult of personality”.

The Guardian· 30 Aug 2026

Etymology 1

Learned borrowing from Latin dēgenerātus. See -ate (adjective-forming suffix) for more.

Etymology 2

From a substantivation of the above adjective, see -ate (noun-forming suffix) for more. Compare French dégénéré.

Etymology 3

From Latin degenerō + -ate (verb-forming suffix). Compare Italian degenerare, French dégénérer (and its older (and now obsolete) English cognate from Middle French, degener). By surface analysis, de- + generate.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Frequent
Updated