- to fall below a normal or desirable level in physical, mental, or moral qualities; deteriorate: The morale of the soldiers degenerated, and they were unable to fight.
- to diminish in quality, especially from a former state of coherence, balance, integrity, etc.: The debate degenerated into an exchange of insults.
- to lose functional activity, as a tissue or organ.
- (of a species or any of its traits or structures) to revert to a simple, less highly organized, or less functionally active type, as a parasitic plant that has lost its taproot or the vestigial wings of a flightless bird.
- to cause degeneration in; bring about a decline, deterioration, or reversion in.
- having fallen below a normal or desirable level, especially in physical or moral qualities; deteriorated; degraded: a degenerate king.
- having lost, or become impaired with respect to, the qualities proper to the species or kind: a degenerate vine.
- characterized by or associated with degeneracy: degenerate times.
- pertaining to a limiting case of a mathematical system that is more symmetrical or simpler in form than the general case.
- Physics.
- (of modes of vibration of a system) having the same frequency.
- (of quantum states of a system) having equal energy.
- a person who has declined, as in morals or character, from a type or standard considered normal.
- a person or thing that reverts to an earlier stage of culture, development, or evolution.
- a sexual deviate.
- to become degenerate
- (of organisms or their parts) to become less specialized or functionally useless
- having declined or deteriorated to a lower mental, moral, or physical level; debased; degraded; corrupt
- physics
- (of the constituents of a system) having the same energy but different wave functions
- (of a semiconductor) containing a similar number of electrons in the conduction band to the number of electrons in the conduction band of metals
- (of a resonant device) having two or more modes of equal frequency
- (of a code) containing symbols that represent more than one letter, figure, etc
- (of a plant or animal) having undergone degeneration
- a degenerate person