incidentally

incidentally — adverb

1. Said before a remark that is connected to the main topic but is less important —

1.副詞B2
釋義

Said before a remark that is connected to the main topic but is less important — used to add a related thought, ask a related question, or return to an earlier point in a conversation.

例句

Eli and I are going to a concert. Incidentally, do you know if parking is free nearby?

discourse marker introducing a question on a related topic

Sales are up this quarter. Incidentally, I heard the marketing team is getting a bonus.

sentence-initial position linking to a related piece of news

同義詞
  • by the way

    more informal and conversational; preferred in everyday speech

  • as an aside

    slightly more formal; often used in writing or prepared remarks

  • speaking of which

    used when the new remark is directly triggered by the previous topic

文法句型

Incidentally, + [question]

Incidentally, + [statement]

用法筆記

Typically placed at the start of a sentence or clause, followed by a comma. Frequently used in both conversation and informal writing to shift focus briefly without changing the subject entirely. Can also appear parenthetically in the middle of a sentence: 'The answer, incidentally, is yes.'

常見錯誤

The glass fell on the floor incidentally.
The glass fell on the floor accidentally.
💡'Incidentally' means 'by the way,' not 'by accident.' Use 'accidentally' for unintended events.

2. Said before giving information that the listener or reader did not know before,

2.副詞C1
釋義

Said before giving information that the listener or reader did not know before, often with the effect of making the new fact appear less significant — as if it were merely a side detail rather than the main point.

例句

Charlotte is an award-winning architect. Incidentally, she also teaches design classes at the local university.

introduces a noteworthy additional fact about a person

The Watanabes' kitchen renovation is nearly done. Incidentally, the plumber said the main pipe needs replacing.

同義詞
  • as an aside

    very close in meaning; emphasises the offhand nature of the remark

  • parenthetically

    more formal and literary; suggests a deliberate written aside

  • additionally

    more neutral and factual; does not carry the downplaying tone

文法句型

Incidentally, + [new information / statement]

用法筆記

In this sense the speaker or writer is deliberately presenting the new information as if it were of secondary importance, even when the fact itself is significant. Common in formal reports, emails, and presentations where the speaker wants to add a key piece of information without seeming to interrupt the main argument.

常見錯誤

He forgot his keys incidentally.
Incidentally, he forgot his keys.
💡When used as a discourse marker, 'incidentally' sounds more natural at the start of the clause rather than attached at the end.