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Definitions

relativity

[rel-uh-tiv-i-tee] / ˌrɛl əˈtɪv ɪ ti /
NOUN
materiality
Synonyms
STRONG
accordance applicability application appositeness aptness bearing congruence correspondence germaneness importance matter pertinence pertinency relatedness relevancy significance substance
WEAK
concernment
Antonyms
STRONG
insignificance meaninglessness
NOUN
perspective
Synonyms
STRONGEST
angle aspect attitude context mindset prospect viewpoint
STRONG
headset landscape objectivity overview panorama proportion relation scene vista
WEAK
broad view frame of reference relative importance size of it way of looking
NOUN
pertinency
Synonyms
STRONG
accordance applicability application appositeness aptness bearing congruence correspondence germaneness importance materiality pertinence relatedness relevancy significance
WEAK
concernment
Antonyms
STRONG
insignificance
NOUN
relationship
Synonyms
STRONGEST
accord affair communication contact exchange liaison link marriage rapport relation tie
STRONG
affiliation affinity alliance analogy appositeness association bond conjunction consanguinity contingency correlation dependence dependency homogeneity hookup interconnection interrelation interrelationship kinship likeness nearness network parallel pertinence pertinency proportion ratio relevance similarity tie up tie-in
WEAK
consociation
Antonyms
STRONGEST
divorce
STRONG
antagonism difference disassociation disconnection dissimilarity disunion division imbalance opposition separation unlikeness
NOUN
relevancy
Synonyms
STRONG
accordance applicability application appositeness aptness bearing congruence correspondence germaneness importance materiality pertinence pertinency relatedness significance
WEAK
concernment
Antonyms
STRONG
insignificance
NOUN
theory of relativity
Synonyms
WEAK
continuum theory e=mc2 energy-matter relationship general theory of relativity principle of equivalence principle of relativity special theory of relativity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Although Einstein's theory of general relativity has worked extremely well for over a century, it fails under the extreme conditions present at the universe's birth.

From Science Daily • Mar. 30, 2026

Because of a general relativity effect known as Lense-Thirring precession, the spinning magnetar twists the surrounding space-time, causing the disk to wobble.

From Science Daily • Mar. 11, 2026

How different are these quantum paths from the ones predicted by classical relativity?

From Science Daily • Mar. 9, 2026

It is the clearest gravitational wave signal ever recorded from a pair of merging black holes, giving researchers an unusually sharp tool for testing Albert Einstein's theory of gravity, called general relativity.

From Science Daily • Feb. 1, 2026

These peculiar and at first perplexing predictions of special relativity are true in the deepest sense that anything in science is true.

From "Cosmos" by Carl Sagan

Vocabulary lists containing relativity

Quantum of Vocabulary: the Parlance of Particle Physics

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March Vocabulary Words

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Albert Einstein

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