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Another word for big

The best other words for big are substantial, considerable, major and large.

Most formal
momentous, substantial, considerable
Strongest
gigantic, huge, massive
Casual
huge, gigantic
Instead of “very big”
huge, massive, large

Big /bɪɡ/ (adjective): Large in size, amount, degree, importance, or effect. In simple words: large in size, amount, or importance. Below are 18 rated synonyms across 4 senses, plus 34 more related words. Tap a chip for its nuance and an example.

Writing for

22 synonyms shown

Chip depth = intensity (mild → extreme) dots = formality (slang → academic)

Large size · adjective

large in physical dimensions

Great amount · adjective

large in quantity, extent, or degree

Important person · adjective

important, powerful, or influential

Big deal · adjective

very serious, impressive, or socially important

Find the right strength and register

Drag the amber target to how strong and how formal you need the word to be. The three closest synonyms light up.

largehugemassiveenormousgiganticsubstantial
milderintensity →stronger
formal ↑

You asked for: equal strength, neutral register

  1. large — neutral, precise size word
  2. massive — emphasizes great bulk or weight
  3. enormous — very large, often with emphasis

The dashed ring marks “big” itself: neutral strength, neutral register.

Synonyms for big in your sentence

None of these quite right? Paste your sentence and the AI picks replacements that fit it.

How to choose

Choose large or substantial when you want a neutral or polished tone. Use huge, massive, or gigantic when you want stronger emphasis, but avoid piling on intensifiers like very big unless the style is deliberately informal.

Antonyms of big

All synonyms at a glance

SynonymStrengthFormalityBest for
large3/5neutralacademic, business, creative, casual
huge4/5casualcreative, casual
massive4/5neutralacademic, business, creative, casual
enormous4/5neutralacademic, business, creative, casual
gigantic5/5casualcreative, casual
substantial3/5formalacademic, business
considerable3/5formalacademic, business
significant3/5formalacademic, business
heavy3/5neutralbusiness, casual
great3/5neutralacademic, business, creative, casual
vast4/5neutralacademic, business, creative
important3/5neutralacademic, business, creative, casual
major3/5formalacademic, business
prominent3/5formalacademic, business
powerful4/5neutralacademic, business, creative, casual
leading3/5formalacademic, business
serious3/5neutralacademic, business, casual
momentous4/5academicacademic, creative

Instead of “very big”

One precise word usually beats an intensifier. See the full words instead of “very” list.

Instead ofTry
very bighuge, massive, large
pretty bigfairly large, quite large, considerable
really bigenormous, gigantic, major

More words related to big

Looser matches and phrases, unrated. Check the sense before you swap one in, or compare it with “big”.

Questions about synonyms for big

What is the most formal alternative to big?

For size, large is the safest formal neutral choice; for amount, substantial often sounds more polished. In contexts of importance, significant or major may be better depending on whether you mean impact or status.

What is a stronger word than big?

Huge, enormous, massive, and gigantic are stronger than big. Gigantic is the most vivid and emphatic of these, while massive often suggests bulk or weight.

What is a milder, more neutral word than big?

Large is usually the mildest and most neutral replacement. It keeps the meaning without the extra emphasis that big sometimes carries in speech and writing.

What is another word for big in simple words?

Common simple choices are large, huge, or great, depending on the context. For size, large is neutral; for amount or importance, great or considerable can work better.

What is a more professional word for big?

It depends on what you mean. For size, try substantial, sizable, or large; for importance, try significant, major, or influential.

Related words