Buoyancy: meaning, definitions and examples

Often used in scientific contexts to describe the property that allows objects to float in fluid. It can also refer to a person's lively and optimistic disposition.

• Life jackets are designed to provide buoyancy and keep you afloat.
• Her natural buoyancy of spirit helped her overcome many obstacles.

Typically used to describe physical properties, such as the ability to float in water, or metaphorically to describe a person's resilience in difficult situations.

• The buoyancy of the lifeboat ensured that it would not sink.
• Her buoyancy and spirit were evident even in the face of adversity.

Used when describing a hopeful and positive outlook towards the future, often despite challenges or uncertainties.

• Her optimism about the project's success inspired the whole team.
• Even after the setbacks, he maintained an unwavering optimism.

Often used to describe a person's positive and happy demeanor or attitude.

• Her cheerfulness was contagious, and soon everyone was smiling.
• He greeted each day with an unshakeable cheerfulness.