Infinity

/ɪnˈfɪnɪti/

Synonyms for "infinity" (172 found)

Ranked by relevance and common usage.

Closest matches (35)

Noun(4 words)
aesthetic distancealgebraic numberamplenessamplitudeastronomical numberbillionboundlessnessbulkcardinalcardinal numberceaselessnessclearancecoeternitycompasscomplex numberconstancycontinualnesscontinuancedeep spacedefective number
Show 11 more words

Strong matches (51)

Related words (86)

Choosing the right synonym

  • Closest matches in this entry: boundlessness, endlessness, actual infinity, aesthetic distance, algebraic number.
  • Sentence evidence is available for infinity, so synonym choice can be checked against real usage rather than a flat word list.
  • Ranking signals come from wiktionary, opengloss, moby, wordnet, and related lexical sources.

Synonym selection checklist

  • Match the part of speech before comparing meanings.
  • Check whether the synonym changes intensity, formality, or emotional tone.
  • Read the replacement inside the full sentence, not just beside "infinity".
  • Prefer the clearest word over the most unusual word when writing for speed or comprehension.

When not to replace "infinity"

Keep "infinity" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.

If two options seem close, choose the one that best matches the audience and purpose of the sentence.

Replacement workflow

1. Preserve meaning

Choose a synonym only if it keeps the core idea of "infinity" intact in the sentence you are editing.

2. Tune tone

Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.

3. Re-read context

Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.

Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.

Final fit check

After choosing a replacement for "infinity", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.

If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "infinity" or choose a simpler alternative from the closest-match group.

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

5 relation types

More general

5 entries
abstractionconceptmathematical concepttheoretical constructtime

More specific

6 entries
actual infinitycountable infinitypotential infinityspatial infinitytemporal infinityuncountable infinity

Collocations

6 entries
countable infinityinfinite seriesinfinite setinfinity symbollimit at infinityuncountable infinity

Inflections

1 entries

Derivations

3 entries

Sample sentences

13 total sentences available.

Tatoeba + Wiktionary

Christopher Columbus's infinite accomplishments are a threat to Google, who do not know how to index infinity when someone searches for "Christopher Columbus".

Source: tatoeba (536623)

The most merciful thing in the world, I think, is the inability of the human mind to correlate all its contents. We live on a placid island of ignorance in the midst of black seas of infinity, and it was not meant that we should voyage far. The sciences, each straining in its own direction, have hitherto harmed us little; but some day the piecing together of dissociated knowledge will open up such terrifying vistas of reality, and of our frightful position therein, that we shall either go mad from the revelation or flee from the deadly light into the peace and safety of a new dark age.

Source: tatoeba (628703)

The two mirrors facing each other created a repeating image that went on to infinity.

Source: tatoeba (713011)

People worry a lot more about the eternity after their deaths than the eternity that happened before they were born. But it’s the same amount of infinity, rolling out in all directions from where we stand.

Source: tatoeba (3081192)

Showing 4 of 13 available sentences.

Common questions

What are the closest synonyms for "infinity"?

Closest matches include boundlessness, endlessness, actual infinity, aesthetic distance, algebraic number.

How should I check whether a synonym fits "infinity"?

Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.

More for "infinity"