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Another word for important

The best other words for important are significant, necessary, influential and central.

Most formal
requisite, significant, noteworthy
Strongest
crucial, vital, indispensable
Casual
bigwig
Instead of “very important”
vital, crucial, essential

Important /ɪmˈpɔːrtənt/ (adjective): having great significance, value, or influence; deserving attention. In simple words: very needed, serious, or worth paying attention to. Below are 27 rated synonyms across 4 senses, plus 27 more related words. Tap a chip for its nuance and an example.

Writing for

27 synonyms shown

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

Significant · adjective

having great meaning or effect

Essential matter · adjective

necessary or required

Person of influence · adjective

having high status or influence

Formal emphasis · adjective

used to stress importance in tone

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.

significantnoteworthysubstantialconsiderablemeaningfulcrucialvital
milderintensity →stronger
formal ↑

You asked for: equal strength, neutral register

  1. meaningful — emphasizes value, purpose, or emotional weight
  2. significant — more neutral; stresses real impact or meaning
  3. noteworthy — calls attention to something worth noticing

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

Synonyms for important in your sentence

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How to choose

Choose the synonym that matches what is important about the thing: necessity, influence, size, or seriousness. In formal writing, words like essential, significant, and pivotal sound precise; in casual prose, key, major, and crucial are often more natural.

Antonyms of important

All synonyms at a glance

SynonymStrengthFormalityBest for
significant3/5formalacademic, business, casual
noteworthy3/5formalacademic, business, creative
substantial4/5formalacademic, business
considerable4/5formalacademic, business, casual
meaningful3/5neutralacademic, business, casual
crucial5/5neutralacademic, business, casual
vital5/5neutralacademic, business, casual
essential4/5formalacademic, business, casual
necessary3/5neutralacademic, business, casual
indispensable5/5formalacademic, business
required3/5neutralacademic, business, casual
mandatory4/5formalacademic, business
requisite4/5academicacademic, business
key3/5neutralacademic, business, casual
influential3/5formalacademic, business
prominent3/5formalacademic, business, creative
respected3/5neutralacademic, business, casual
high-ranking4/5neutralbusiness, academic
powerful4/5neutralacademic, business, casual
distinguished4/5formalacademic, business, creative
bigwig3/5slangcasual, creative
momentous5/5formalacademic, business, creative
pivotal5/5formalacademic, business, creative
weighty4/5formalacademic, creative
major4/5neutralacademic, business, casual
serious3/5neutralacademic, business, casual
central3/5formalacademic, business, creative

Instead of “very important”

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

Instead ofTry
very importantvital, crucial, essential
extremely importantcritical, urgent, major
really importantsignificant, notable, meaningful

More words related to important

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

Questions about synonyms for important

What is the most formal or academic synonym for important?

For academic prose, significant, substantial, and especially pivotal are common choices, depending on whether you mean impact, size, or a turning point. Requisite and indispensable are more specialized when you mean “required.”

What is a stronger alternative to important?

Crucial, vital, and indispensable are stronger than important because they suggest necessity rather than mere significance. Use them only when something really is necessary or decisive.

What is a milder alternative to important?

Noteworthy, meaningful, and key are milder or more context-dependent than important. They work well when you want to signal relevance without sounding overly emphatic.

What is a more natural word for important in everyday speech?

Common choices include "big," "serious," "key," and "major," depending on the sentence. "Key" and "major" often work well when something matters a lot.

What can I say instead of very important?

You can often say "critical," "vital," "essential," or "urgent." The best choice depends on whether you mean something is needed, serious, or worth special attention.

Related words