American English

Definition of significantly adverb from the Oxford Advanced American Dictionary



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  1. 1in a way that is large or important enough to have an effect on something or to be noticed The two sets of figures are not significantly different. Profits have increased significantly over the past few years. Food prices are significantly lower in the U.S. Your decision will significantly affect your future. AWL Collocationssignificantsignificant adjectiveimportant; so large that you notice itchange, difference, effect, impact, improvement, increase, reduction contribution correlationThere were significant climatic differences, including an unusually wet season followed by dry seasons.statisticallyIt is necessary to carry out a trial on a statistically significant number of individuals.highlyThe museum owns highly significant and valuable works.culturally, economically, historically, morally, politically, sociallyThe collection includes historically significant letters from American presidents.proveThe research could prove significant in medical and biotechnology fields.insignificant adjectivedetail decrease, difference, increaseI will return to these apparently insignificant details in the last section of this paper.statisticallyThe small sample size is statistically insignificant.apparently, seemingly relativelySeemingly insignificant scratches in glass may cause breakage.significance nounstatisticalIn the test, high variability resulted in a lack of statistical significance.assess grasp downplay, underestimateThere are two very different ways to assess the broader significance of these events.significantly adverbin a noticeable waydiffer, varyActual markets differ significantly from perfectly competitive markets.lower (than)Significantly lower numbers of seals were observed at low tide.
  2. 2in a way that has a particular meaning Significantly, he did not deny that he might run for re-election.
  3. 3in a way that has a special or secret meaning She paused significantly before she answered.
See the Oxford Advanced Learner's Dictionary entry: significantly