temperamental

adjective

tem·​per·​a·​men·​tal ˌtem-p(ə-)rə-ˈmen-tᵊl How to pronounce temperamental (audio)
ˌtem-pər-ˈmen-
Synonyms of temperamentalnext
1
a
: marked by excessive sensitivity and impulsive mood changes
a temperamental child
b
: unpredictable in behavior or performance
a temperamental computer
2
: of, relating to, or arising from temperament : constitutional
temperamental peculiarities
temperamentally adverb

Examples of temperamental in a Sentence

The actor is known for being temperamental. The old computer is temperamental. They divorced due to temperamental differences.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Ambition meets heart as the temperamental Moon in your 10th House of Career conjoins warrior Mars there, sharpening visibility and focus. Tarot.com, New York Daily News, 12 June 2026 The temperamental Moon in your 2nd House of Resources conjoins growth-seeking Chiron there, turning attention to self-worth through the purchases that truly support your well-being. Tarot.com, Hartford Courant, 11 June 2026 The weather in Florida during England’s stay thus far has been temperamental. Dan Sheldon, New York Times, 11 June 2026 Your 8th House of Intimacy receives gentle support as the temperamental Moon connects in a sextile with vulnerable Chiron in your 10th House of Career and Status. Tarot.com, The Orlando Sentinel, 6 June 2026 See All Example Sentences for temperamental

Word History

Etymology

borrowed from New Latin temperāmentālis "of the temperament," from Latin temperāmentum temperament + -ālis -al entry 1

First Known Use

1646, in the meaning defined at sense 2

Time Traveler
The first known use of temperamental was in 1646

Browse Nearby Words

Cite this Entry

“Temperamental.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/temperamental. Accessed 19 Jun. 2026.

Kids Definition

temperamental

adjective
tem·​per·​a·​men·​tal ˌtem-p(ə-)rə-ˈment-ᵊl How to pronounce temperamental (audio)
1
: of or relating to temperament
temperamental peculiarities
2
a
: likely to be easily upset
a temperamental movie star
b
: unpredictable in performance
a temperamental motor
temperamentally adverb

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