untired
Not yet weary
Untired means not tired—still fresh, energetic, or unwearied.
The word appears in literary or formal contexts where a writer wants to emphasize sustained vigor: She worked through the night, untired and focused.
More common alternatives include fresh, rested, or energetic.
Restored to vigor
- rejuvenatedMade to feel young
- restoredReturned to original condition
- recuperatedRegained health or strength
- rechargedRestored to full power
revitalized · unwearied · well-rested · relaxed · renewed · reinvigorated · recovered · alert
Animated and energetic
- spiritedFull of vim
- vivaciousAttractively energetic and enthusiastic
- animatedFull of life, or drawn moving
- peppyEnergetic and cheerful
sprightly · bubbly · exuberant · vibrant · dynamic · effervescent · chipper · perky
Strong and durable
- heartyWarm and substantial
- haleSound and vigorous
- vitalEssential or sustaining existence
- strongHaving great physical power
sturdy · fit · healthy · athletic · powerful · able-bodied · hardy · stalwart
Incapable of wearying
- unflaggingPersistently energetic
- unwearyingNot becoming tired
- tirelessNever losing energy
- inexhaustibleCannot be used up
persistent · steadfast · unwavering · unfaltering · relentless · dogged · tenacious · determined
refreshed
Restored to vigor
- rejuvenatedMade to feel young
- restoredReturned to original condition
- recuperatedRegained health or strength
recharged · revitalized · unwearied · well-rested · relaxed · renewed · reinvigorated · recovered · alert · awake
lively
Animated and energetic
- spiritedFull of vim
- vivaciousAttractively energetic and enthusiastic
- animatedFull of life, or drawn moving
peppy · sprightly · bubbly · exuberant · vibrant · dynamic · effervescent · chipper · perky · bouncy
robust
Strong and durable
strong · sturdy · fit · healthy · athletic · powerful · able-bodied · hardy · stalwart · sound
indefatigable
Incapable of wearying
- unflaggingPersistently energetic
- unwearyingNot becoming tired
- tirelessNever losing energy
inexhaustible · persistent · steadfast · unwavering · unfaltering · relentless · dogged · tenacious · determined · resolute