What does "incidentally" mean?

1. (by the way) you use this when you want to add a quick piece of information that is not the main topic. 2. (by chance) happening as a small part of something else, or by accident.

How do you use "incidentally"?

Usually placed at the beginning of a sentence or clause to signal a change in topic. Often follows the verb it modifies.

incidentally

adv.

US //ˌɪnsɪˈdɛntəɫi// UK //ˌɪnsɪdˈɛntəli// in·ci·den·tal·ly

1 by the way (adv.)
B2 Upper Intermediate

you use this when you want to add a quick piece of information that is not the main topic.

used as a sentence connector to introduce a remark that is not directly related to the main subject of discussion.

Example

We had a great time at the party — incidentally, did you see what Sarah was wearing?

Example

The report provides a comprehensive overview of the fiscal year; incidentally, it also highlights several areas where the department could reduce waste.

Usage

Usually placed at the beginning of a sentence or clause to signal a change in topic.
- by the way
- parenthetically
2 by chance (adv.)
C1 Advanced Formal

happening as a small part of something else, or by accident.

occurring as a minor consequence or accompaniment to a primary activity or event.

Example

The two scientists discovered the new chemical incidentally while they were looking for something else.

Example

The data was collected incidentally during the primary study, yet it proved to be the most significant finding of the entire research project.

Usage

Often follows the verb it modifies.
- accidentally
- coincidentally
- deliberately
- intentionally

Origin

From incidental + -ly.

Word family

Adjectivecoincidental
Adjectiveincidental
Adverbincidentally