occur
♦♦ oc|cur /ək'ɜːr/ (occurs occurring occurred)
1 [VERB] V, V, there V n
When something occurs, it happens.
If headaches only occur at night, lack of fresh air and oxygen is often the cause...
The crash occurred when the crew shut down the wrong engine...
In March 1770, there occurred what became known as the Boston Massacre.
2 [VERB] V adv/prep, V adv/prep
When something occurs in a particular place, it exists or is present there.
The cattle disease occurs more or less anywhere in Africa where the fly occurs...
These snails do not occur on low-lying coral islands or atolls.
= exist
3 [VERB] no passive, no cont, it V to n to-inf, V to n
If a thought or idea occurs to you, you suddenly think of it or realize it.
It did not occur to me to check my insurance policy...
The same idea had occurred to Elizabeth.
1 [VERB] V, V, there V n
When something occurs, it happens.
If headaches only occur at night, lack of fresh air and oxygen is often the cause...
The crash occurred when the crew shut down the wrong engine...
In March 1770, there occurred what became known as the Boston Massacre.
2 [VERB] V adv/prep, V adv/prep
When something occurs in a particular place, it exists or is present there.
The cattle disease occurs more or less anywhere in Africa where the fly occurs...
These snails do not occur on low-lying coral islands or atolls.
= exist
3 [VERB] no passive, no cont, it V to n to-inf, V to n
If a thought or idea occurs to you, you suddenly think of it or realize it.
It did not occur to me to check my insurance policy...
The same idea had occurred to Elizabeth.