The most useful big synonym is usually large for neutral size, huge or enormous for a lot of size, and major when big means important rather than physically wide. Big is short, friendly and a little vague, which is why teachers circle it in essays.
Want another word for big? Every option below is filed under one of six senses, from a big box to a big sister to a big idea. A size ladder shows which words are stronger, and a note on describing people helps you stay polite. Pair this page with large synonyms and huge synonyms if you need even more range.
Swatch at a glance
Best swaps
large, huge, major, enormous, massivePart of speech
AdjectiveStrongest
colossal, gigantic, immenseMost formal
substantial, considerable, sizableMost casual
massive, giant, heftyAntonyms
small, little, tiny, minorWatch out
Large does not replace big in big sister, big deal or big mistake.
Every big synonym sorted by meaning
Big shifts meaning with the noun beside it. Match the sense, then choose a word.
| Sense | Swaps | Example |
|---|---|---|
| Size or amount | large, huge, vast, sizable, substantial | They bought a sizable plot of land. |
| Importance | major, significant, serious | The move was a major decision. |
| A person's build | tall, burly, broad, strapping | A burly guard stood at the gate. |
| Age in a family | older, elder | My elder brother lives in Leeds. |
| Fame or success | popular, leading, well-known | She is a leading name in tennis. |
| Scope of a plan | ambitious, grand, sweeping | The mayor has ambitious plans for the river. |
The size ladder: sizable to gigantic
Each chip up top is a notch bigger than the last. Sizable means bigger than average but nothing dramatic. Large is the neutral standard, used on clothing tags and in science. Huge adds feeling: the speaker is impressed. Enormous pushes further, and gigantic or colossal belong to stories, monsters and exaggeration.
Words such as vast and immense suit wide spaces and amounts more than objects: a vast desert, an immense effort. Massive suggests weight as well as size.
Big or large: the grammar catch
Large is the closest swap, but it only covers physical size and amounts. It sounds wrong in set phrases.
- a big brother, never a large brother (use older)
- a big mistake, better as a serious mistake
- a big fan, which stays big or becomes a huge fan
- big news, which reads well as major news
Large pairs with number words: a large number, a large amount, a large population. Big sounds casual there, so essays prefer large.
Before and after: lifting a plain sentence
- The company made a big profit becomes the company made a substantial profit.
- We saw a big wave becomes we saw an enormous wave.
- This is a big problem for farmers becomes this is a serious problem for farmers.
- He lives in a big house becomes he lives in a spacious house.
- Big changes are coming becomes sweeping changes are coming.
- She has a big heart becomes she is generous.
A product review says: "The screen is big and the battery is big too." Swapping in the screen is generous and the battery is hefty paints two different pictures instead of one fuzzy one.
Describing people kindly
When big refers to a person's body, the word you pick can hurt. Tall, broad and well-built are neutral to kind. Strapping and brawny are admiring. Heavyset is mild, while hulking can sound threatening. In most writing, a person's size is rarely needed, so ask whether it adds anything. For clothes, stores often say plus size or extended sizes.
Opposites, from small to tiny
Small and little are the direct antonyms; little often sounds warmer. Tiny and minute are strong. For the importance sense, the opposite is minor or slight. For a sibling, use younger.
- It was only a minor setback.
- My younger sister is in fifth grade.
Browse more adjectives on the describing words hub, and see major synonyms for the importance sense.
Frequently asked questions
What word is bigger than big?
Huge, enormous, gigantic and colossal all go beyond big. Colossal is the strongest and works best for buildings, mistakes told as stories, or anything you want to exaggerate.
Is large more formal than big?
Yes. Large is the usual choice in reports, science and shopping labels. Big is fine in speech and casual writing.
Which word fits a big achievement on a resume?
Try major, significant or substantial, and add a number: a substantial rise in sales of twenty percent. Avoid huge, which sounds like bragging.
Is massive a good swap in an essay?
Use it sparingly. Massive is common in casual talk to mean very big, but in formal writing large, substantial or considerable sound more measured.
What is the antonym of big?
Small and little are the main antonyms. Tiny is stronger, and minor fits when big meant important.
How do you say big brother another way?
Older brother is the plain swap, and elder brother sounds a little formal or old fashioned. Large brother is not used.