frontline
Translation
front line, forefront
Examples
He served on the frontline during the war.
He served on the front line during the war.
Doctors are on the frontline of the pandemic.
Doctors are on the front line of the pandemic.
Grammar Patterns
((on the)) frontline ((of sth.)) in the most important or dangerous position Nurses are on the frontline of healthcare.
Similar Words
Synonyms: forefront, vanguard
Etymology
From 'front' + 'line'. The most advanced position in a war or any sphere of activity.
Memory Tips
Think of the 'front line' in a battle, which can be applied to any struggle, like fighting a disease.