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Definitions

front line

[fruhnt lahyn] / ˈfrʌnt ˈlaɪn /
NOUN
battlefield
Synonyms
STRONGEST
arena battleground
STRONG
Armageddon field front salient
WEAK
combat zone theater of operations theater of war
NOUN
cutting edge
Synonyms
STRONGEST
forefront leading-edge vanguard
STRONG
avant-garde fore front
WEAK
advance guard advancement innovation invention new wave newest technology pioneer point spearhead van
NOUN
firing line
Synonyms
WEAK
battle line battlefront enemy line front line
NOUN
front
Synonyms
STRONGEST
facade face façade head top
STRONG
anterior bow breast brow exterior facing fore foreground forehead forepart frontage frontal frontispiece lead obverse proscenium van vanguard
Antonyms
STRONGEST
bottom character foot personality rear
WEAK
back

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Prison officers are on the front line of trying to prevent such attacks - but they are also coming under attack.

From BBC • Apr. 24, 2026

A Tower Hamlets Council spokesperson said: "London is at the epicentre of the national homelessness crisis. We see this every day on the front line and sadly Alicia's case is not untypical."

From BBC • Apr. 22, 2026

This once-sleepy plot of land along the Tennessee and Mississippi border has become the front line of Musk’s foray into the AI wars as he tries to play catch-up to rivals including OpenAI and Anthropic.

From The Wall Street Journal • Apr. 14, 2026

"Come and help me! I'm on the front line in Ukraine, I'm fighting for Russia," he begged Equatorial Guinea's President Teodoro Obiang Nguema in an anguished voice message sent to his parents.

From Barron's • Apr. 13, 2026

Maybe when Tommy and Gino get together on the front line they can feed off each other.

From "Tangerine" by Edward Bloor