ultimate
Americanadjective
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last; furthest or farthest; ending a process or series.
the ultimate point in a journey; the ultimate style in hats.
-
maximum; decisive; conclusive.
the ultimate authority; the ultimate weapon.
- Synonyms:
- supreme
-
highest; not subsidiary.
ultimate goal in life.
-
basic; fundamental; representing a limit beyond which further progress, as in investigation or analysis, is impossible.
the ultimate particle; ultimate principles.
-
final; total.
the ultimate consequences; the ultimate cost of a project.
- Antonyms:
- first
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not to be improved upon or surpassed; greatest; unsurpassed.
the ultimate vacation spot; the ultimate stupidity.
noun
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the final point; final result.
-
a fundamental fact or principle.
-
the best, greatest, or most extreme of its kind.
adjective
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conclusive in a series or process; last; final
an ultimate question
-
the highest or most significant
the ultimate goal
-
elemental, fundamental, basic, or essential
-
most extreme
genocide is the ultimate abuse of human rights
-
final or total
an ultimate cost of twenty million pounds
noun
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; ultima, -ate 1
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.
But on a more philosophical level, F1 is meant to be the ultimate challenge - the driver taking their machine and themselves to the limit of what is possible.
From BBC • Apr. 3, 2026
“I think when you are making a film that is confronting one of the ultimate taboos in cinema, you’re going to have a tough time,” he says.
From Los Angeles Times • Mar. 31, 2026
Mr. Eastman has challenged the disbarment and “is highly confident of his ultimate vindication,” his attorney said in a statement.
From The Wall Street Journal • Mar. 30, 2026
Desperate to help his sick dog, one Australian man went down the ultimate ChatGPT research hole, using artificial intelligence to design a personalised experimental treatment and finding top scientists to administer it.
From Barron's • Mar. 30, 2026
Wearing pajamas most of the day is the ultimate bonus.
From "On the Come Up" by Angie Thomas
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.