recur
gb/ɹɪkˈɚ/ us/ɹɪkˈɚ/
B2
英語
~ 7500
語義
0件の語義
動詞
B2
event
1
happen again, often repeatedly
To happen again, usually more than once or in a pattern.
用法パターン：
for [problem/event] to recur
よくある間違い：
Learners sometimes use "recur" as a transitive verb, for example *"They recurred the test"*, which is incorrect. "Recur" is intransitive: you say "the test recurred" or "the problem recurred." Many learners also confuse "recur" with "reoccur"; both mean "happen again," but "recur" is more common in careful writing, especially for things that happen repeatedly. Spelling mistakes like *"reoccuring"* instead of "recurring" are also frequent.
類義語
repeat (More general and common; can be used transitively or intransitively, while "recur" is intransitive and sounds slightly more formal or technical.)
対義語
stop (If something stops, it does not happen again, which is the opposite of recurring.)
コロケーション
symptoms recur
|problems recur
|issue recurs
|recur regularly
|recur periodically
テーマ
time
|health
|work
|core_vocabulary
例文
- The pain may recur if you stop taking the medication.
- These budget problems seem to recur every year.
- Nightmares began to recur after the accident.
- The same pattern of errors recurs throughout the report.
学習者向け例文
- The cough may recur in winter.
- The same mistake can recur many times.
- His back pain often recurs after heavy work.
- The festival recurs every August.
動詞
C1
event
2
come back into the mind again
When a thought or memory recurs, it comes into your mind again and again.
用法パターン：
for [thought/memory] to recur
よくある間違い：
Learners sometimes miss the mental or emotional focus here and think "recur" must always describe outside events. With this sense, it is used for what happens inside the mind: thoughts, memories, images, and dreams recur.
類義語
return (Often used in phrases like "the thought returns"; slightly more common and basic, while "recur" sounds more formal or literary in this context.)
対義語
fade (A memory or thought that fades becomes weaker and does not come back strongly, which contrasts with something that keeps recurring.)
コロケーション
memory recurs
|image recurs
|the thought recurs
|idea recurs
|dream recurs
テーマ
mind
|emotions
|memory
|health
例文
- The memory of that day still recurs unexpectedly.
- The same worrying thought kept recurring throughout the meeting.
- Images of the accident recur in her mind at night.
学習者向け例文
- The sad memory often recurs in his mind.
- The same idea recurs when I try to sleep.
- Bad dreams recur every time he feels stress.
動詞
formal
C2
action
3
return to a topic or issue
To talk or write about a topic again after leaving it for a time.
用法パターン：
recur to [a subject/issue/point]
よくある間違い：
Learners may try to use "recur" transitively, for example *"She recurs the topic"*. In this formal sense, it is used with "to": you recur to a topic, question, or issue. This usage is formal and not common in everyday speech; most of the time, "return to" or "go back to" is more natural.
類義語
revisit (Common modern verb for returning to a subject; slightly less formal and more frequent than "recur to" in everyday writing.)
対義語
digress (To digress is to move away from the main subject, which is the opposite direction of recurring to it.)
コロケーション
recur to this point
|recur to the question
|recur to the issue
|recur to the main theme
|recur to the topic
テーマ
communication
|academia
|education
例文
- I shall recur to this question in the final chapter.
- The report briefly recurs to the problem of funding in its conclusion.
- He frequently recurs to this argument when discussing climate policy.
学習者向け例文
- Later, the writer recurs to this idea.
- At the end, the speaker recurs to the main question.
- In the book, the author often recurs to this story.
動詞
technical
C1
action
4
call or define itself again
In math or computer code, for a rule or function to use itself again and again to get the answer.
用法パターン：
for [function/algorithm] to recur
よくある間違い：
Learners sometimes confuse "recur" with general repetition in programming. In technical contexts, "recur" usually means the function or definition directly calls itself (recursion), not just any kind of loop or repeated action.
類義語
iterate (In computing, "iterate" means to repeat steps in a loop; "recur" specifically implies a function or definition calling itself rather than using an external loop.)
対義語
terminate (A recurring (recursive) process continues by calling itself again, whereas a terminating process stops and does not call itself further.)
コロケーション
the function recurs
|algorithm recurs on each element
|procedure recurs until a base case
|recurs on smaller inputs
|recurs in its own definition
テーマ
technology
|mathematics
|education
|science
例文
- The function recurs until the base case is reached.
- In this algorithm, the procedure recurs on each subtree of the graph.
- The sequence is defined so that each term recurs in relation to the previous one.
学習者向け例文
- The program recurs and calls the same function again.
- In this code, the method recurs until the list is empty.
- The formula recurs and uses the last result each time.
文法
辞書形
recur
IPA
GB/ɹɪkˈɚ/
US/ɹɪkˈɚ/
音節・強勢
re - cur （2音節）
Stress on 2nd syllable (cur)
活用形
Verb
- Base: recur
- 3rd Person Singular: recurs
- Present Participle: recurring
- Past: recurred
関連語
Forms
recurs
verb
recurring
verb
recurred
verb
Core family
recurrence
noun C1
recurrent
adjective
Related words
recurrently
adverb
Negative and opposite forms
nonrecurring
adjective
文法ポイント
- Irregular present participle: recurring Verb
- Irregular past: recurred Verb
表現
recur to
1/ɹɪkˈɚ tə/
phrasal verb
formal
return again to a subject or memory
To go back to a subject, idea, or memory again after some time away from it.
例文
- I will recur to this issue in the conclusion of my talk.
- The same childhood scene often recurs to him when he visits his hometown.
- The article briefly recurs to the question of privacy before ending.