重要な定義と意味 | Dictionary.com

SIGNIFICANT Definition & Meaning | Dictionary.com Synonyms significant American [sig- nif -i-k uh nt] / sɪgˈnɪf ɪ kənt / adjective important and deserving of attention; of consequence. Their advice played a significant role in saving my marriage. Synonyms: weighty , momentous , consequential relatively large in amount or quantity. a significant decrease in revenue. having or expressing a meaning; indicative . a significant symbol of royalty. having a special, secret, or disguised meaning; suggestive . a significant wink. Statistics. of or relating to observations that are unlikely to occur by chance and that therefore indicate a systematic cause. Memory training produced a statistically significant improvement in group performance. noun something significant; a sign. significant British / sɪɡˈnɪfɪkənt / adjective having or expressing a meaning; indicative having a covert or implied meaning; suggestive important, notable, or momentous 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 "Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Usage What are other ways to say significant ? The adjective significant describes things that are important, indicative of something, or suggestive of a hidden secret meaning. Do you know when to use significant , expressive , meaningful , and suggestive ? Find out on Thesaurus.com. Other Word Forms nonsignificant adjective significantly adverb supersignificant adjective unsignificant adjective Etymology Origin of significant First recorded in 1565–75; from Latin significant- (stem of significāns ), present participle of the verb significāre “to indicate, denote”; see signify , -ant Explanation Use the adjective significant to describe something that is important. Your "significant other" means the person who's most important in your life. A significant result in a scientific study is a result large enough to matter. A less common meaning of significant is to describe something that has a special or hidden meaning. A significant smile can convey feelings or information without words. This adjective is from Latin significans , from significare "to signify," from signum "a sign, mark" plus facere "to make." Keep Reading on Vocabulary.com Vocabulary lists containing significant Academic Vocabulary: Core Tier 2 Words, List 1 Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide! The SAT: Language of the Test, List 6 Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use! The Language of Standardized Tests, List 4 Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time! Example Sentences Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com. Gapen acknowledges, however, that “if oil prices remain elevated for longer without signs of normalization, energy spillovers into core inflation could be more significant than we currently anticipate.” From MarketWatch • Apr. 30, 2026 Never before had they been significant players in the bidding for top Japanese stars. From The Wall Street Journal • Apr. 30, 2026 The health minister said it represents a "significant step forward" and the aim is for it to open "no later than 2028/29". From BBC • Apr. 30, 2026 Leisure, education and health, and financial services also posted significant job gains. From Los Angeles Times • Apr. 30, 2026 By this time, significant discoveries from the wreck were becoming increasingly rare. From "Shipwrecked!" by Martin W. Sandler Related Words big consequential considerable meaningful momentous notable noteworthy serious substantial vital Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023 Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.