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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

By applying ideas from general relativity to the aftermath of a massive star's explosion, the researchers were able to explain the strange signals seen in this extraordinarily bright event.

From Science Daily • Mar. 11, 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

Detecting two or more tones makes it possible to perform multiple, independent checks of those same properties, as predicted by general relativity.

From Science Daily • Feb. 1, 2026

Suddenly you needed two sets of laws to explain the behavior of the universe–quantum theory for the world of the very small and relativity for the larger universe beyond.

From "A Short History of Nearly Everything" by Bill Bryson

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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