C1noun5K

Momentum

UK /["/məˈmentəm/"]/US /["/məʊˈmentəm/"]/

Definition

the ability to keep increasing or developing

In simple words: The feeling of movement or energy that builds up.

Examples

  • The car gained momentum as it rolled down the hill.
  • The team's momentum increased after they scored three consecutive goals.
  • In physics, momentum is defined as the product of an object's mass and velocity.
  • She was careful to maintain her momentum during the long race.
  • The political candidate's momentum was unstoppable after the debate performance.

Usage notes

Used in physics to describe motion, and metaphorically in discussions about progress or motivation. Avoid using in overly formal contexts.

Grammar pattern

standalone noun

Memory hint

Think of 'moment' and 'moving' — it’s all about the energy of a moment.

Collocations

  • considerable
  • great
  • tremendous
  • have
  • build up
  • gain
  • build up
  • increase
  • carry somebody/​something
  • momentum for
  • momentum towards/​toward
  • keep the momentum going
  • considerable
  • great
  • tremendous
  • have
  • build up
  • gain
  • build up
  • increase
  • carry somebody/​something
  • momentum for
  • momentum towards/​toward
  • keep the momentum going

Synonyms

  • drive
  • energy
  • impetus
  • force
  • speed

Antonyms

  • stillness
  • inertia
  • stagnation

Common mistakes

  • Confused with 'emphasis' vs 'momentum'
  • Incorrectly using as a verb
  • Misunderstanding its meaning in non-physical contexts