单词	uncertain
释义	uncertain adjective un·​cer·​tain ˌən-ˈsər-tᵊn  1 a : not known beyond doubt : dubious an uncertain claim b : not having certain knowledge : doubtful remains uncertain about her plans c : not clearly identified or defined a fire of uncertain origin 2 : not constant : variable, fitful an uncertain breeze 3 : indefinite, indeterminate the time of departure is uncertain 4 : not certain to occur : problematical his success was uncertain 5 : not reliable : untrustworthy an uncertain ally uncertainly adverb uncertainness ˌən-ˈsər-tᵊn-(n)əs  noun Synonyms capricious changeable changeful fickle flickery fluctuating fluid inconsistent inconstant mercurial mutable skittish temperamental unpredictable unsettled unstable unsteady variable volatile See all Synonyms & Antonyms Example Sentences The time of departure is still uncertain. We are still uncertain of the truth. She remains uncertain about her plans. I'm uncertain about how to respond. The cause of the fire is uncertain. He has an uncertain temper. They face a financially uncertain future. See More Recent Examples on the Web Penn State University professor Richard Alley, an ice sheet expert, said the fact that researchers remain uncertain about how the planet’s ice sheets will change and raise global sea levels shows the need for more research. Chris Mooney, Washington Post, 29 Aug. 2022 Fearing illness and uncertain about their finances, many congregants reduced or even withdrew their contributions, Laughlin says. Cathi Douglas, San Diego Union-Tribune, 21 Aug. 2022 Doug Shupe, communications manager for AAA, is more uncertain about if and when Californians could see $5 gasoline become widely available. Anthony De Leon, Los Angeles Times, 8 Aug. 2022 Yet, while about 22 percent of eligible Americans are unvaccinated, almost all of this group are vaccine skeptics, who are unwilling or uncertain about getting vaccinated. Steven Phillips, Scientific American, 3 Aug. 2022 Although many things are uncertain about the year 2022, one thing is for certain: candles remain pivotal in bringing more serenity to us all than ever before. ELLE, 21 July 2022 That has physicians uncertain about how much to take them into account when prescribing. Edward Chen, STAT, 8 July 2022 Recent hires who feel uncertain about their manager, coworkers or job assignments begin to think about leaving. Lynne Curry | Alaska Workplace, Anchorage Daily News, 5 July 2022 The Heat had been uncertain about Garrett’s status for summer league as recently as last week. Ira Winderman, Sun Sentinel, 28 June 2022 See More Word History First Known Use 14th century, in the meaning defined at sense 3 Phrases Containing uncertain in no uncertain terms in no uncertain terms Kids Definition uncertain adjective un·​cer·​tain ˌən-ˈsər-tᵊn  1 : not exactly known or decided on an uncertain amount 2 : not sure They were uncertain of the rules. 3 : not known for sure an uncertain claim 4 : likely to change : not dependable uncertain weather uncertain adjective 1 as in volatile likely to change frequently, suddenly, or unexpectedly the stifling heat would occasionally be relieved by an uncertain breeze Synonyms & Similar Words Relevance volatile unpredictable changeful unstable inconsistent unsettled variable capricious fluctuating inconstant changeable mercurial fickle unsteady mutable temperamental erratic skittish shaky fluid ambivalent unreliable haphazard scattered random vacillating arbitrary wavering aimless hesitating flickery dicey slapdash untrustworthy stray up in the air undependable irregular desultory hit-or-miss protean versatile adaptable shilly-shallying mobile shilly-shally Antonyms & Near Antonyms certain predictable stable constant invariable unchanging unchangeable steady unvarying immutable changeless stationary settled even uniform equable persistent permanent sure durable lasting true reliable abiding dependable trustworthy trusty tried tried-and-true See More 2 as in unsure not feeling sure about the truth, wisdom, or trustworthiness of someone or something never uncertain of her political beliefs or judgment, she was a decisive and fearless leader Synonyms & Similar Words unsure skeptical suspicious doubtful unsettled dubious unconvinced undecided distrustful mistrustful ambivalent hesitant conflicted trustless hinky diffident equivocal on the fence insecure irresolute wavering vacillating indecisive halting Antonyms & Near Antonyms certain sure confident positive convinced sanguine assured decisive determined resolute self-assured See More
随便看	isoleucine isoleucines isolexes isoline isolines isologs isologues isoloma isolux isomagnetic isomer isomerase isomerases isomere isomeres isomeric isomerisation isomerisations isomerise isomerised isomerises isomerising isomerism isomerisms isomerization

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