Antonym: insignificant. Similar words: significantly, significance, sign in, specifically, esterification, identification, sign on, signal. Meaning: [sɪg'nɪfɪkənt] 
adj. 1. important in effect or meaning 2. fairly large 3. too closely correlated to be attributed to chance and therefore indicating a systematic relation 4. rich in significance or implication.
adj. 1. important in effect or meaning 2. fairly large 3. too closely correlated to be attributed to chance and therefore indicating a systematic relation 4. rich in significance or implication. 
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241. Despite significant advances in family planning, the report said, birth control had become a matter of global survival.
242. Buoyed by critical acclaim for the 1970 Brooklyn season, Alvin and his dancers faced a year without any significant employment.
243. However, she had a number of significant achievements that she could use in a new job.
244. Materials Technology Division showed significant advances over last year which are particularly gratifying given the management attention focused on this business.
245. The spousal notification requirement is thus likely to prevent a significant number of women from obtaining an abortion.
246. The law would grant indigenous communities significant autonomy in the way they run their communities.
247. We should reclaim our leadership position by immediately sending a significant amount of food aid.
248. Barker etal also failed to find a significant association between birth weight and wheeze.
249. Thus the fact that the tsar possessed a large army did not mean that he could risk significant external commitments.
250. These practices are highly significant for attempts to assess the way in which trusts were interpreted.
251. It marked a recovery of lost ground rather than any significant advance to new territory.
252. In the 1830s this provoked significant tension between antislavery parliamentarians and activists in the country.
253. Significant achievements in technology in 1992 are covered later in the individual business reports.
254. For Matt and Angela,(http://sentencedict.com/significant.html) postponing parenthood also had significant advantages.
255. All church buildings are subject to normal planning control over, for example, changes of use and significant alterations.
256. That is a significant achievement, of which the hon. Gentleman should be aware.
257. Corepressor binding does not cause significant structural change in the protein, though it greatly increases the affinity for the operator.
258. Surprisingly, perceptions of bias never had a significant impact on usefulness-ratings.
259. Most significant for a county player was the opportunity to have a benefit match.
260. Research processes vary between and within discipline; most really significant advances in knowledge come about through the application of several techniques.
261. Should voters behave in this fashion, the contents of the Opposition's election manifesto become less significant in deciding the result.
262. There was no significant difference between the linoleic acid and the eicosapentaenoic acid supplemented groups.
263. Working Conditions Education administrators hold management positions with significant responsibility.
264. His death was the second significant blow to the country's security apparatus within three months.
265. Personal Factors Every individual is different; individual characteristics influence behaviour in complex and significant ways.
More similar words: significantly, significance, sign in, specifically, esterification, identification, sign on, signal, design, resign, assign, terrific, specific, designs, designer, design for, scientific, artificial, signature, assignment, efficacy, uniform, even if, cognitive, magnitude, recognition, sigh, office, campaign, foreigner.