A significant amount or effect is large enough to be important or affect a situation to a noticeable degree.
A small but significant number of 11-year-olds are illiterate.
...foods that offer a significant amount of protein.
It is the first drug that seems to have a very significant effect on this disease.
Synonyms: important, marked, notable, striking More Synonyms of significant
significantlyadverb [ADVERB with verb]
The number of MPs now supporting him had increased significantly.
America's airlines have significantly higher productivity than European ones.
Synonyms: very much, greatly, hugely, vastly More Synonyms of significant
2. adjective
A significant fact, event, or thing is one that is important or shows something.
Time would appear to be the significant factor in this whole drama.
...a very significant piece of legislation.
I think it was significant that he never knew his own father.
significantlyadverb
Significantly, the company recently opened a huge store in Atlanta.
3. graded adjective [usually ADJECTIVE noun]
A significant action or gesture is intended to have a special meaning.
Mrs Bycraft gave Rose a significant glance.
significantlygraded adverb [ADVERB after verb]
She looked up at me significantly, raising an eyebrow.
Synonyms: meaningfully, eloquently, expressively, knowingly More Synonyms of significant
More Synonyms of significant
significant in British English
(sɪɡˈnɪfɪkənt)
adjective
1.
having or expressing a meaning; indicative
2.
having a covert or implied meaning; suggestive
3.
important, notable, or momentous
4. statistics
of or relating to a difference between a result derived from a hypothesis and its observed value that is too large to be attributed to chance and that therefore tends to refute the hypothesis
Derived forms
significantly (sigˈnificantly)
adverb
Word origin
C16: from Latin significāre to signify
significant in American English
(sɪgˈnɪfəkənt)
adjective
1.
a.
having or expressing a meaning
b.
full of meaning
2.
important; momentous
3.
having or conveying a special or hidden meaning; suggestive
4.
of or pertaining to an observed departure from a hypothesis too large to be reasonably attributed to chance
a significant statistical difference
noun
5. Archaic
something that has significance; sign
Derived forms
significantly (sigˈnificantly)
adverb
Word origin
L significans, prp. of significare, to signify
Examples of 'significant' in a sentence
significant
This will result in significant and unexpected sales tax liability.
Christianity Today (2000)
The timing of the tabloid discovery and the phone call appear to be significant.
Times, Sunday Times (2010)
To this should be added a significant number of badly aligned lights that cause dazzle.
Times, Sunday Times (2010)
There were no significant adverse effects attributable to the dosage of the vitamin.
Youngson, Dr. Robert The Antioxidant Health Plan (1994)
We therefore expect significant investment into this sector.
Times, Sunday Times (2006)
The age of the mother is a very significant factor in their welfare.
Times, Sunday Times (2009)
You soon notice significant differences between people.
Times, Sunday Times (2010)
This summer the government is looking to introduce significant changes to reduce the number of frivolous claims.
Times, Sunday Times (2013)
By far the most significant factor driving results is the size of the wage bill.
Times, Sunday Times (2014)
But home advantage did not appear to a significant factor in the number of goals disallowed.
Times, Sunday Times (2015)
Few unions are wealthy enough that a significant loss of membership is not damaging to their cashflow.
Times, Sunday Times (2009)
The team say this could have a significant effect on exam performance and wellbeing.
The Sun (2010)
Others in the region also lost significant amounts.
Lockspeiser, Jerry & Gear, Jackie Thorsons Organic Wine Guide (1991)
Peer pressure is therefore a very significant factor in the choices your daughter makes.
Times, Sunday Times (2013)
In any case it is important to assess which factors are most significant.
Mills, Simon The Dictionary of Modern Herbalism (1985)
What looks like only a small difference is highly significant.
Times, Sunday Times (2007)
Now he has to be looking to make significant gains.
Times, Sunday Times (2013)
Neither one found evidence of any significant effect.
The Sun (2008)
Without it a significant number of pupils will again be disadvantaged in an area central to their life opportunities.
Times, Sunday Times (2006)
One complication is that in a significant number of cases, those advisers are no longer in operation.
Times, Sunday Times (2015)
In other languages
significant
British English: significant /sɪɡˈnɪfɪkənt/ ADJECTIVE
A significant amount of something is large enough to be important or noticeable.
A small but significant number of 11-year-olds cannot read.
American English: significant
Arabic: هامّ
Brazilian Portuguese: significante
Chinese: 相当大的
Croatian: značajan
Czech: významný
Danish: vigtig
Dutch: aanzienlijk
European Spanish: significativo
Finnish: merkittävä
French: significatif
German: bedeutsam
Greek: βαρυσήμαντος
Italian: significativo
Japanese: 重要な
Korean: 중요한
Norwegian: viktig
Polish: znaczący
European Portuguese: significante
Romanian: semnificativ
Russian: значительный
Latin American Spanish: significativo
Swedish: betydelsefull
Thai: ซึ่งสำคัญ
Turkish: önemli
Ukrainian: вагомий
Vietnamese: rất quan trọng
All related terms of 'significant'
significant gap
If there is something missing from a situation that prevents it being complete or satisfactory , you can say that there is a gap .
significant amount
The amount of something is how much there is, or how much you have, need , or get .
significant change
If there is a change in something, it becomes different.
significant error
An error is something you have done which is considered to be incorrect or wrong , or which should not have been done.
significant other
If you refer to your significant other , you are referring to your wife , husband , or the person you are having a relationship with.
significant role
If you have a role in a situation or in society , you have a particular position and function in it.
significant saving
A saving is a reduction in the amount of time or money that is used or needed .
significant advantage
An advantage is something that puts you in a better position than other people.
significant benefit
The benefit of something is the help that you get from it or the advantage that results from it.
significant challenge
A challenge is something new and difficult which requires great effort and determination .
significant discount
A discount is a reduction in the usual price of something.
significant figures
the figures of a number that express a magnitude to a specified degree of accuracy , rounding up or down the final figure
significant influence
To have an influence on people or situations means to affect what they do or what happens .
significant minority
If you talk about a minority of people or things in a larger group, you are referring to a number of them that forms less than half of the larger group, usually much less than half.
significant portion
A portion of something is a part of it.
significant problem
A problem is a situation that is unsatisfactory and causes difficulties for people.
significant contribution
If you make a contribution to something, you do something to help make it successful or to produce it.
significant improvement
If there is an improvement in something, it becomes better . If you make improvements to something, you make it better.