研究社 新和英中辞典

とつぜん 突然

突然(に)

suddenly

all of a sudden

unexpectedly

all at once

without notice [warning]

out of the blue

突然の

sudden

abrupt

unexpected

(考えが)突然心に浮かぶ

burst on one

flash into [through] one's mind

突然訪問する

pay somebody a surprise visit

用例

突然大きな滝が見えてきた. A large waterfall burst into view [into sight, on our sight].

突然死

a sudden death

突然変異

【生物】 (a) mutation.

生物のほかの用語一覧

生物：	相似  相似器官  種  突然  突然変異  突起  系統

>>生物カテゴリの他の用語

ハイパー英語辞書

突然

abruptly； subito

JMdict

突然

読み方：とつぜん

文法情報	（形容動詞／ナ形容詞、形容詞相当語句／ノ形容詞、副詞）
対訳	abrupt; sudden; unexpected; all at once

学術用語英和対訳集

突然

sudden

英和医学用語集

突然

sudden

ライフサイエンス辞書

突然

***** とつぜん

(aj) sudden ****

(aj) abrupt ***

(adv) suddenly ***

(adv) abruptly ***

関連語

急, 突発性, 急激, 不意

用例

abrupt [急激な，突然の]

Although abrupt climate changes can occur for many reasons, it is conceivable that human forcing of climate change is increasing the probability of large, abrupt events. (Science)

用例

abruptly [急激に，突然に，不意に]

At 4 to 5 weeks of age, plasma aminotransferase levels also rise abruptly. (Hepatology)

At this point, exogenous leptin is abruptly withdrawn, thus inducing a state of leptin deficiency in otherwise normal mice. (Proc Natl Acad Sci USA)

For almost 40 years, neuroscientists thought that epileptic seizures began abruptly, just a few seconds before clinical attacks. (Lancet Neurol)

suddenの共起表現

abruptの共起表現

suddenlyの共起表現

abruptlyの共起表現

日本語WordNet(英和)

突然

【副詞】

1 unexpectedly, out of the blue

予想されなかった方法で

(in a way that was not expected)

her brother showed up at the wedding out of the blue 彼女の兄弟は、いきなり結婚式に現れた

2 abruptly, suddenly, dead, short

すぐにそして警告なしで

(quickly and without warning)

he stopped suddenly 彼は突然停止した

3 suddenly, all of a sudden, of a sudden

思いがけなく起こること

(happening unexpectedly)

suddenly she felt a sharp pain in her side 突然、彼女は横腹に鋭い痛みを感じた

4 all of a sudden, all at once

警告なしで

(without warning)

all at once, he started shouting 突然、彼は叫び始めた

5 on the spur of the moment, suddenly

衝動で

(on impulse)

he decided to go to Chicago on the spur of the moment 彼はとっさにシカゴへ行くことを決めた he made up his mind suddenly 彼は突然決心した

【形容詞】

1 abrupt

驚くほどに形式ばらないで態度においてぶっきらぼうな

(surprisingly and unceremoniously brusque in manner)

an abrupt reply 突然の回答

2 out of the blue, unanticipated, unforeseen, unlooked-for

予想されない

(not anticipated)

unanticipated and disconcerting lines of development- H.W.Glidden 予期せぬ当惑させる発達系統−H.W.Glidden unforeseen circumstances 予期せぬ事態 a virtue unlooked-for in people so full of energy 精力で溢れている人々の、思いがけない貞節 like a bolt out of the blue 何の前触れもなく突然に

3 sudden

何の前触れもなく、または短い時間に起こるさま

(happening without warning or in a short space of time)

a sudden storm 突然の嵐 a sudden decision 突然の決定 a sudden cure 応急手当

4 abrupt

非常に突然で予想外の

(exceedingly sudden and unexpected)

came to an abrupt stop 突然止まった an abrupt change in the weather 天候の急変

5 sharp, abrupt, precipitous

非常に険しい

(extremely steep)

an abrupt canyon 険しい峡谷 the precipitous rapids of the upper river 上流の険しい早瀬 the precipitous hills of Chinese paintings 中国の絵画の険しい丘 a sharp drop 急落

6 startling

一瞬の動揺または心配を引き起こすほど非常に異なった、または突然の

(so remarkably different or sudden as to cause momentary shock or alarm)

Sydney's startling new Opera House シドニーの驚くべき新しいオペラハウス startling news 突然なニュース startling earthquake shocks 驚異的な地震の震動

>>「突然」に関する類語一覧

EDR日英対訳辞書

突然

読み方 トツゼン

suddenly；unexpected

斎藤和英大辞典

突然

読み方 とつぜん

副詞

Abruptly; suddenly; on a sudden; all of a sudden; all at once; without warning; at short notice; unexpectedly:（=の） abrupt; sudden; unexpected; unlooked-for

用例

彼は突然話頭を転じた
He abruptly changed the subject.

突然僕に尋ねた
He abruptly asked me a question.

突然のその質問には返答に窮した
I was at a loss for an answer to his abrupt question.

彼は突然死んだ
He died suddenly.

家が突然揺れ出した
On a sudden,―All of a sudden,―All at once,―the house began to shake.

こう突然去るのはお気の毒ですが
I am sorry to leave you at such short notice.

彼は突然免職になった
He was dismissed without warning.

悲報が突然来た
The sad news arrived when it was least expected.

そこへ突然現れたのが異様な姿
There burst upon the scene a strange figure.