American Dictionary

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Definition front-line in American English

front-line adjective

adjective
1

directly involved in fighting during a war

Example

front-line troops

Synonyms and related words
1.1

front-line states have a border with an area of another country where there is fighting

Synonyms and related words
2

with a leading or important position in an activity

Example

a front-line campaigner in the 1987 election

Synonyms and related words
Definition front-line in American English