What do you mean by "incidentally"?

[Ulma]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #74 "At the End of the Day (3)", question 3

And ......... very important people are not described as simply going to bed but rather retiring for the night.

(a) incidentally
(b) eventually
(c) absolutely
(d) entirely

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #74 "At the End of the Day (3)", answer 3

And incidentally very important people are not described as simply going to bed but rather retiring for the night.

Correct answer: (a) incidentally

Your answer was: ?
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hello,

could you tell me what do you mean by "incidentally"?

thanks
Ulma

[Alan]

Hi,

It suggests: 'by the way' and often introduces an extra piece of information.

Alan
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English as a Second Language
You can read my ESL story Present Simple

[Happytofita]

Hello,
I agree with Alan, it suggests: 'by the way'.
Apropos, by the bye, incidentally, and by the way share the same meaning.

Best wishes.