Meaning of the word front-line in English

What does front-line mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

front-line

US /ˈfrʌntˌlaɪn/
UK /ˈfrʌntˌlaɪn/

Adjective

1.

relating to or situated on the front line of a battle

Example:
The soldiers were sent to the front-line positions.
He reported from the front-line during the war.
2.

involved in the most important or difficult part of a job or activity

Example:
Front-line workers in healthcare are essential.
She has a lot of experience in front-line customer service.