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Definitions

fireball

[fahyuhr-bawl] / ˈfaɪərˌbɔl /

ADJECTIVE

active

Synonyms

STRONGEST

aggressive alive bold busy determined diligent dynamic eager energetic engaged enthusiastic forceful intense keen lively quick ready resolute

STRONG

alert daring jumping pushing rapid sharp whiz

WEAK

agile animated assiduous brisk bustling chipper dashing dexterous enlivened enterprising eventful forcible fresh frisky hard-working high-spirited hyper industrious inventive nimble on the move perky persevering purposeful sprightly spry zealous

Antonyms

STRONGEST

afraid apathetic calm cowardly disinterested dispirited dull idle ignorant inactive indifferent irresolute lazy lethargic lifeless meek quiet slow sluggish stupid uneducated unenthusiastic weak

WEAK

abeyant dormant immobile inert quiescent

ADJECTIVE

ambitious

Synonyms

STRONGEST

aggressive determined earnest energetic enthusiastic resourceful

WEAK

anxious ardent aspiring avid ball of fire bent upon climbing come on come on strong designing desirous driving eager eager beaver enterprising get up and go go-getter goal-oriented hard ball high-reaching hopeful hungry industrious inspired intent longing power-loving purposeful pushing pushy self-starting sharp soaring striving thirsty vaulting zealous

Antonyms

STRONGEST

lethargic unenthusiastic

WEAK

content easy facile fulfilled satisfied unassuming

ADJECTIVE

capable

Synonyms

STRONGEST

able accomplished adept adequate competent efficient experienced gifted good intelligent proficient qualified skillful suited talented

WEAK

adapted apt au fait clever dynamite fitted green thumb has what it takes having know-how having the goods having the right stuff knowing the ropes knowing the score like a one-man band like a pistol masterly old hand old-timer on the ball proper there up up to it up to snuff up to speed veteran

Antonyms

STRONGEST

clumsy green ignorant inadequate incapable incompetent ineffective inefficient inept inexperienced powerless stupid unable unintelligent unqualified unskilled unsuitable untalented useless weak

WEAK

impotent unskillful

ADJECTIVE

competent

Synonyms

STRONGEST

adequate capable decent efficient proficient qualified skilled

WEAK

adapted all around appropriate au fait being a pistol clever complete crisp dynamite endowed enough equal fit fool good know ins and outs know one's business know one's stuff know the answers know the ropes know the score no slouch on the ball paid one's dues pertinent polished satisfactory savvy sufficient suitable there up to it up to snuff up to speed wicked

Antonyms

STRONGEST

impotent incapable incompetent inept insufficient unable unqualified unskilled unsuitable

WEAK

inadequate inefficient

ADJECTIVE

untiring

Synonyms

WEAK

constant continued continuing dedicated devoted dogged eager beaver firm go-go grind hyper incessant indefatigable indomitable inexhaustible jumping patient perky persistent pertinacious plodding plugging resolute staunch steady strong tenacious tireless unceasing undeterred unfailing unfaltering unflagging unflinching unremitting unstinted unswerving unwavering unwearied

Antonyms

WEAK

failing irresolute tiring unpersevering

ADJECTIVE

zealous

Synonyms

STRONGEST

ardent avid dedicated earnest fanatical fervent impassioned passionate rabid

WEAK

afire antsy burning coming on strong devoted eager fanatic fervid fired frenetic gung-ho hot itchy keen obsessed possessed pushy ripe self-starting spirited wild-eyed

Antonyms

STRONGEST

apathetic cold cool dispassionate frigid happy indifferent unconcerned unenthusiastic unexcited unpassionate

WEAK

lethargic

NOUN

dynamo

Synonyms

STRONG

achiever doer generator pistol

WEAK

ball of fire bundle of energy busy person eager beaver energetic person hard worker hot shot live wire mover and shaker risk-taker spark plug whiz kid

NOUN

eager beaver

Synonyms

WEAK

active person aholic ambitious person ball of fire beaver busy bee busy person doer dynamo go-getter hot shot live wire no slouch pistol self-starter sharpy spark plug workhorse

NOUN

go-getter

Synonyms

STRONG

beaver doer dynamo hustler pistol self-starter sharpy workhorse

WEAK

active person ambitious person ball of fire busy bee busy person hot shot live wire no slouch spark plug

NOUN

grenade

Synonyms

STRONG

explosive missile pineapple shell

NOUN

shooting star

Synonyms

WEAK

bolide comet falling star meteorite meteoroid

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.

To investigate these processes, the team used a plasma flow reactor designed to mimic part of the environment inside a nuclear fireball.

From Science Daily • Jun. 3, 2026

It was undergoing a ground test in Cape Canaveral, Florida in preparation of an upcoming flight when it blew up in a massive fireball, sending shockwaves throughout the space industry.

From Barron's • May 29, 2026

Scientists said a fireball spotted in the skies above East Yorkshire and Lincolnshire was a meteor.

From BBC • Apr. 13, 2026

When it does, the agency expects to lose communication for about six minutes as the Orion capsule holding the astronauts is enveloped in a fireball.

From Los Angeles Times • Apr. 10, 2026

The remnants of that fireball, the cosmic background radiation, emanating from all parts of the sky can be detected by radio telescopes today.

From "Cosmos" by Carl Sagan

fireball

Example Sentences

Related Words