Inexhaustible

adj. energetic, hopeful warm

What it means

Unable to be used up or worn out.

Reach for it when using emphatic praise for a supply, curiosity, or energy that appears continually renewed

Her inexhaustible curiosity kept the archive project opening new questions.

Words to choose between 6

By register, from playful at the top to literary at the bottom. Tap a word to see when it fits.
everyday
warm
professional
literary
  • everyday

    endless

    Fits when the amount or duration feels without limit

    Careful Endless is often exaggeration and can describe something tedious.

  • everyday

    limitless

    Fits when no practical ceiling is visible

    Careful Limitless can become empty promotion when physical limits exist.

  • warm

    tireless

    Fits when a person's sustained effort deserves praise

    Careful Tireless can romanticize overwork and cannot describe a material supply.

  • professional

    abundant

    Fits when supply is plentiful without denying eventual limits

    Careful Abundant is the more accurate term when exhaustion remains possible.

  • professional

    renewable

    Fits when a resource can replenish on a relevant timescale

    Careful Renewable does not mean use can exceed the rate of replenishment.

  • literary

    boundless

    Fits when energy, affection, or possibility seems to have no boundary

    Careful Boundless is lyrical and unsuitable for a measured resource claim.

Opposites 3

  • finite
  • depletable
  • exhausted

Common phrases 4

  • inexhaustible supply

    The story imagines an inexhaustible supply, though the engineering note does not.

  • inexhaustible energy

    His apparently inexhaustible energy lifted every rehearsal.

  • inexhaustible curiosity

    Inexhaustible curiosity led her from the first map to the oldest tax records.

  • seemingly inexhaustible

    Her seemingly inexhaustible patience helped each apprentice master the join.

Usage notes

Keep in mind

For physical resources, inexhaustible is usually an overstatement. Renewable, abundant, or a quantified reserve is preferable when limits can be measured.

Definitions and examples are written for this site. How words are chosen Recording: Vealhurl, Southern England accent, from Wikimedia Commons, CC BY-SA 4.0 Updated