temperamental
adjective/ˌtɛmpərəˈmɛntəl/
Frequency rank: #16,511 most common English word
Meaning
Prone to unpredictable mood swings; easily upset or irritated.

Example sentence
The famous violinist was known for being temperamental, often canceling concerts at the last minute.
Synonyms & related words
Practice this word in the quiz
More words in ranks 16,501–16,600
- sunroofA panel in the roof of a car that can be opened to let in light or air.
- surrealistrelating to or characteristic of surrealism, an artistic style that combines realistic detail with strange or dreamlike elements.
- suspensefulcausing a feeling of excitement or anxiety about what might happen next.
- tattooingthe practice of making permanent designs on the skin by inserting ink with needles.
- teleportationThe hypothetical or fictional transfer of a person or object instantly from one place to another.
- traditionalista person who upholds or prefers established traditions and customs over new ideas.
- tripartiteConsisting of or divided into three parts, or involving three parties.
- understudyA person who learns another's role in order to be able to act as a replacement if necessary.
- unguardedNot protected or defended; without caution or concealment; open and vulnerable.
- unscientificnot based on scientific methods or principles.