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Synonyms

ultimate

American  
[uhl-tuh-mit] / ˈʌl tə mɪt /

adjective

  1. last; furthest or farthest; ending a process or series.

    the ultimate point in a journey; the ultimate style in hats.

    Synonyms:
    uttermost, extreme
  2. maximum; decisive; conclusive.

    the ultimate authority; the ultimate weapon.

    Synonyms:
    supreme
  3. highest; not subsidiary.

    ultimate goal in life.

  4. basic; fundamental; representing a limit beyond which further progress, as in investigation or analysis, is impossible.

    the ultimate particle; ultimate principles.

  5. final; total.

    the ultimate consequences; the ultimate cost of a project.

    Antonyms:
    first
  6. not to be improved upon or surpassed; greatest; unsurpassed.

    the ultimate vacation spot; the ultimate stupidity.


noun

  1. the final point; final result.

  2. a fundamental fact or principle.

  3. the best, greatest, or most extreme of its kind.

ultimate British  
/ ˈʌltɪmɪt /

adjective

  1. conclusive in a series or process; last; final

    an ultimate question

  2. the highest or most significant

    the ultimate goal

  3. elemental, fundamental, basic, or essential

  4. most extreme

    genocide is the ultimate abuse of human rights

  5. final or total

    an ultimate cost of twenty million pounds

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. the most significant, highest, furthest, or greatest thing

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See last 1.

Other Word Forms

  • subultimate adjective
  • ultimately adverb
  • ultimateness noun

Etymology

Origin of ultimate

First recorded in 1645–55; from Late Latin ultimātus (past participle of ultimāre “to come to an end”), equivalent to Latin ultim(us) “last, most distant” + -ātus past participle suffix; see ultima, -ate 1

Explanation

The last in a series can be described as the ultimate. A cheeky kid, when asked what she wants to be when she grows up, might say, "I want to be an actress, a singer, and a veterinarian, but my ultimate goal is to be President of the United States." A definition for the adjective ultimate is the furthest in space or time or the highest in degree or order. Traveling for business, you are flying first to London, then to Portugal, but your ultimate destination is South Africa. The kids ask you if they can invite friends over to play video games. It's a good idea to reply, "Mom isn't home from work yet and she's ultimate authority on the schedule."

Keep Reading on Vocabulary.com

Vocabulary lists containing ultimate

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.

The private jet company aims to make the ultimate splurge more accessible, with help from its Delta connection.

From The Wall Street Journal • Apr. 20, 2026

“Located just minutes from Meadowood Resort and downtown Saint Helena, this Napa Valley estate promises a lifestyle of luxury, privacy, and sophistication, perfectly suited for those seeking the ultimate in resort-style living,” adds the listing.

From MarketWatch • Apr. 20, 2026

However, their ultimate destination is not the White House but a cable-news greenroom.

From Slate • Apr. 17, 2026

That includes water for power generation, much of which gets recirculated, as well as for cooling and other purposes, so the ultimate amount may be less.

From Barron's • Apr. 16, 2026

With the land war deadlocked, Britain and Germany were each determined to achieve ultimate victory by winning the war at sea.

From "The War to End All Wars: World War I" by Russell Freedman