Meaning & use
significant
Last updated
Meanings
adjectivecomparable
Large or important enough to be noticed or to have a real effect.
Grammar: Comparable: more significant. Often used before a noun, such as a significant change.
Patterns
- significant for someone
- significant to someone
- a significant amount of something
The new bridge made a significant difference to commuters.
A significant number of students passed the exam.
Her promotion was a significant moment in her career.
adjectivecomparable
Carrying a hidden or special meaning, often expressed without words.
Grammar: Often describes looks, silences and gestures: a significant glance.
Patterns
- a significant look
- a significant pause
She gave him a significant look across the table.
There was a significant pause before he answered.
He raised a significant eyebrow when the price was mentioned.
adjectivenot comparabletechnical
In statistics, unlikely to have happened by chance, according to a chosen test.
Grammar: Used in the phrase statistically significant; it does not mean the effect is large.
Patterns
- statistically significant
- significant at the five percent level
The difference between the groups was statistically significant.
A significant result does not prove the drug is useful.
The study found no significant link between the two.
Common combinations
- significant difference
- There is a significant difference between the two prices.
- significant increase
- The town saw a significant increase in visitors.
- statistically significant
- The results were statistically significant.
- significant role
- She played a significant role in the project.
- significant other
- Bring your significant other to the party.
- significant amount
- A significant amount of rain fell overnight.
Synonyms and how they differ
- important
- Important is more general and common, while significant often suggests a measurable or noticeable effect.
- considerable
- Considerable stresses a large size or amount, not importance.
- notable
- Notable stresses being worth noticing or remembering, even if the effect is small.
- meaningful
- Meaningful suggests personal or emotional value, rather than size or effect.
Opposites
Word family
- significance noun
- the quality of being important or meaningful
- significantly adverb
- to a large or noticeable degree
- signify verb
- to mean or indicate something
- insignificant adjective
- too small or unimportant to matter
Commonly confused: significant or significant? significant or significance?
significant vs significant
Do not confuse it with signify, which is a verb meaning to indicate.
significant vs significance
Significance is the noun for importance, while significant is the adjective.
Practice
The scientist warned that a statistically significant result is not always ___.
Choose one answer.
Statistical significance means the result is unlikely to be due to chance, not that it is large or useful. The other options are true of significant results, so they would not be warnings.
Make it your own
Write a sentence using “significant”, then check it and compare it with the examples above.