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Dictionary-enhanced synonyms

Synonyms for “Important” — 5 Other Ways to Say It

Mattering a lot or having a strong effect on something.

IPA: /ɪmˈpɔːrtənt/Level: A1Register: neutralPart of speech: adj

Meaning of Important

Having great significance, weight, or consequence.

How to Pronounce Important

IPA: /ɪmˈpɔːrtənt/ Stress: oOo

The stress is on the second syllable: im-POR-tant. The final syllable is very short.

Full pronunciation guide for important →

5 Synonyms for Important — Words Similar to Important

Browse alternative words with their meaning, level, and a real example sentence so you pick the synonym that fits your context.

essential

/ɪˈsenʃəl/
adj B1

So important that it cannot be ignored; needed for something to work properly.

Example: Water is essential for all living things on Earth.

vital

/ˈvaɪtəl/
adj B1

So important that something cannot work or survive without it.

Example: Sleep is vital for good health and concentration.

key

/kiː/
noun A1

A small metal object that you use to open and close locks on doors and other things.

Example: I lost my house key yesterday and had to call a locksmith.

Smart Synonyms for Important — When to Use Each

crucial

when something is critical for success

essential

when something cannot be done without

Antonyms of Important — Opposite Words

How to Use Important and Its Synonyms in Sentences

  • Sleep is important for health and well-being. A2
  • It is important to arrive on time for interviews. A1
  • The conference revealed important findings about climate trends. B1

Frequently Asked Questions About Synonyms of Important

What is another word for "important"?

Common synonyms for "important" include: significant, crucial, essential, vital, key.

What can I say instead of "important"?

Try one of these alternatives: significant, crucial, essential, vital, key. Pick the synonym whose register and meaning fits your sentence — see the cards above for definitions and examples.

Is "important" formal or informal?

"important" is generally used in neutral contexts.

When should I use "important" instead of "significant"?

Use "important" when you want to keep the exact nuance shown in the meaning section above; switch to "significant" when you need a different register, level, or shade of meaning. Compare the cards above to decide.

What are the antonyms of "important"?

Words with the opposite meaning of "important" include: unimportant, trivial, insignificant.

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