having or displaying an intense or ferocious aggressiveness, showing a heartfelt and powerful intensity

fight like a tiger (or lion), in full cry, like a cat on a hot tin roof

fierce competition, fierce loyalty, fierce determination

Formal and Informal Expressions of fierce

In different contexts, you can replace 'fierce' with suitable alternatives. In a more formal setting, 'intense, aggressive' is apt. In informal speech or writing, 'wild, crazy' is a commonplace synonym.

fierce: Explore its Definition & Usage

fierce Definition

1having or displaying an intense or ferocious aggressiveness
2showing a heartfelt and powerful intensity

Using fierce: Examples

Take a moment to familiarize yourself with how "fierce" can be used in various situations through the following examples!

Example
The fierce lion roared loudly.
Example
She has a fierce determination to succeed.
Example
The storm brought fierce winds and heavy rain.
Example
The team put up a fierce fight against their opponents.

fierce Synonyms and Antonyms

Synonyms for fierce

Antonyms for fierce

Idioms Using fierce

fight like a tiger (or lion)
to fight with great energy and determination
Example
Despite being outnumbered, they fought like tigers and managed to win the battle.
in full cry
in full pursuit or attack, especially with loud and fierce shouting
Example
The protesters were in full cry, demanding justice for the victims.
like a cat on a hot tin roof
extremely nervous or agitated
Example
He was pacing back and forth like a cat on a hot tin roof, waiting for the results of the exam.

Phrases with fierce

fierce competition
a situation where businesses or individuals compete aggressively with each other
Example
The company faces fierce competition from its rivals.
fierce loyalty
a strong feeling of support and allegiance towards someone or something
Example
The fans showed fierce loyalty to their team, even during difficult times.
fierce determination
a strong resolve to achieve a goal despite obstacles or challenges
Example
Her fierce determination to succeed helped her overcome many obstacles.

Origins of fierce

from Old French 'fiers', meaning 'proud, valiant'

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Summary: fierce in Brief

The adjective 'fierce' [firs] describes intense or ferocious aggressiveness, as in 'The fierce lion roared loudly,' or heartfelt and powerful intensity, as in 'She has a fierce determination to succeed.' The term extends into phrases like 'fierce competition,' and idioms like 'fight like a tiger (or lion),' denoting energetic and determined action, and 'like a cat on a hot tin roof,' indicating extreme nervousness.