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significantly

/sɪɡˈnɪfɪkəntli/
adverb★Intermediate💡 to a large degree
formal

to an important or noticeable extent; in a way that is large or important enough to be noticed

The cost of living has increased significantly over the past year.

The rise in living expenses is large enough to be noticed by most people.

Her research has significantly contributed to our understanding of climate change.

Her work has made a major impact on what we know about climate change.

💡

Used to emphasize the size or importance of a change, difference, or effect. Often appears in academic, business, or technical writing.

Collocations

significantly differentvery different in a noticeable waysignificantly improveto make something much bettersignificantly reduceto decrease something by a large amount

Synonyms

substantiallyconsiderablymarkedlygreatlydramatically

Antonyms

insignificantlyslightlyminimallynegligibly

💡Pro Tip

When to use 'significantly'

Use 'significantly' when you want to emphasize that a change or difference is large enough to be important or noticeable. It’s stronger than 'slightly' but less extreme than 'dramatically'.

⚡Gold Rule

Avoid redundancy

Do not pair 'significantly' with words like 'very' or 'extremely'—it’s already an intensifier. Incorrect: 'very significantly'. Correct: 'significantly'.

📖Word Origin

From Latin 'significans' (present participle of 'significare' meaning 'to indicate'), from 'signum' (sign) + 'facere' (to make). The adverbial form '-ly' was added in Middle English.

📝Usage Notes

1. Avoid overusing 'significantly' in casual conversation; it can sound overly formal. 2. In statistics, 'significantly' often means 'statistically significant' (p-value < 0.05). 3. Do not confuse with 'significant' (adjective) which describes something important or large.

Word Breakdown

significant
large or important enough to be noticed
root
+
-ly
adverb-forming suffix
suffix
English Dictionary

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