The difference between Fierce and Truculent

When used as adjectives, fierce means exceedingly violent, severe, ferocious or savage, whereas truculent means cruel or savage.

Fierce is also adverb with the meaning: extremely.

check bellow for the other definitions of Fierce and Truculent

Fierce as an adjective:

Exceedingly violent, severe, ferocious or savage.

Examples:

"A fierce storm battered the coast."
Fierce as an adjective:

Resolute or strenuously active.

Examples:

"We made a fierce attempt to escape."
Fierce as an adjective:

Threatening in appearance or demeanor.

Examples:

"The lion gave a fierce roar."
Fierce as an adjective (slang, Ireland, rural):

Excellent, very good.

Examples:

"Q: "How was the party last night?" A: "Fierce!"
Fierce as an adjective (slang, US):

Of exceptional quality, exhibiting boldness or chutzpah.

Examples:

"Tyra said to strike a pose and make it fierce."

Fierce as an adverb (slang, Ireland, rural):

Extremely; very.

Examples:

"It was fierce cold last night."

Truculent as an adjective:

Cruel or savage.

Examples:

"The truculent soldiers gave us a steely-eyed stare."
Truculent as an adjective:

Deadly or destructive.
Truculent as an adjective:

Defiant or uncompromising.
Truculent as an adjective:

Eager or quick to argue, fight or start a conflict.