temperament temperament /ˈtɛmpɝmənt/

noun

1. () Your usual mood  ( temperament , disposition )
   your usual mood
    He has a happy disposition
   he has a happy disposition
   
2. An adjustment of the intervals (as in tuning a keyboard instrument) so that the scale can be used to play in different keys  ( temperament )
   an adjustment of the intervals (as in tuning a keyboard instrument) so that the scale can be used to play in different keys
   
3. Excessive emotionalism or irritability and excitability (especially when displayed openly)  ( temperament )
   excessive emotionalism or irritability and excitability (especially when displayed openly)