Mental reversion to a younger age, used in therapy, as a coping mechanism, or as a manifestation of a psychiatric issue.

plural of age regressor

plural of age set

Someone who undergoes age regression.

(law) The age at which a person is legally considered to be mature enough to engage willingly in sexual intercourse, so that it is not a crime for someone else to have sex with the person.

A demographic grouping based on age.

(sciences) A period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence of major polar ice sheets that reach the ocean and calve icebergs.

Of or relating to a broad movement in Western culture, covering a wide variety of alternative spiritual and philosophical ideas, often spirituality, mysticism, holism, and environmentalism, and partially based on eastern religions such as Buddhism and Hinduism, that developed towards the end of the 20th century.

The latter part of life, the part of life after one's prime.

very old; having existed for a long time; ancient or well-established