Biorhythm

//ˈbaɪ.oʊˌɹɪð.əm// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    Any cyclic biological or physiological pattern or activity.
  2. 2
    Any of three sinusoidal graphs, normally plotted by computer, having a person's birthdate as origin, that are claimed to give meaningful information about emotional levels, physical energy levels, and mental/psychic sensitivity.

    "Gay Biorhythms. Be Sure, Be Safe. Biorhythms charted for 1 year. Graphs or calendar. For more information write GCN Box 706."

Synonyms

All synonyms
animaanimating forceatmanbathmismbeating heartbiocycle

Example

More examples

"Gay Biorhythms. Be Sure, Be Safe. Biorhythms charted for 1 year. Graphs or calendar. For more information write GCN Box 706."

Etymology

First coined 1960, from bio- + rhythm

Related phrases

circadian rhythmmenstrual cycle

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.