Biological Clock

Synonyms of biological clock

• circadian rhythm
• internal clock
• body clock

Antonyms of biological clock

• artificial timekeeping
• external schedule
• non-biological rhythm

Collocations of biological clock

ticking clock

Frequency: 70 %

As she approached her 30s, she could hear the ticking clock of her biological clock.

biological rhythm

Frequency: 60 %

Our bodies operate on a biological rhythm that can affect our sleep patterns.

internal clock

Frequency: 50 %

Our internal clock tells us when it's time to wake up and when it's time to sleep.

circadian rhythm

Frequency: 45 %

The circadian rhythm governs our biological processes over a 24-hour cycle.

Idiomatic Expressions for biological clock

• Phrase: Biological clock is ticking
  Meaning: Indicates the awareness or reminder of one's advancing age and the diminishing window of opportunity for certain life events, particularly related to reproduction.
  Usage: She knows her biological clock is ticking, so she's considering freezing her eggs for future use.