B1formal3K

Equilibrium

UK //ˌiːkwɪˈlɪbriəm//US //ˌikwəˈlɪbriəm//

Definition

A state in which opposing forces or influences are balanced.

In simple words: A state where things are balanced or stable.

Examples

  • The ecosystem maintains a delicate **equilibrium** between predator and prey.
  • She found her **equilibrium** after months of practicing yoga.
  • The market is struggling to reach an **equilibrium** after the recent turmoil.

Usage notes

Commonly used in scientific contexts, especially in physics and chemistry. It's less appropriate in casual conversations. In business, it can refer to a balanced market.

Grammar pattern

standalone noun

Memory hint

Think of 'equal-librium'—a library where everything is equally stored and balanced.

Collocations

  • chemical equilibrium
  • reach equilibrium
  • state of equilibrium

Synonyms

  • balance
  • stability
  • poise
  • equity
  • symmetry

Antonyms

  • imbalance
  • disequilibrium

Common mistakes

  • Confused with 'equal'—equilibrium means balance, not just sameness.
  • Incorrectly used to describe temporary situations.
  • Assuming it only applies to physical states, ignoring its metaphorical uses.