unmellow

/ʌnˈmɛloʊ/
adjective
  1. Not soft, rich, or gentle in tone, flavor, or character; harsh or sharp.
    • This cheese is unmellow, with a very sharp and tangy taste.
    • His unmellow attitude made it hard to relax around him.
    • The unmellow sound of the alarm clock startled everyone awake.
  2. Not relaxed or calm; tense or agitated.
    • He tried to meditate, but his unmellow mind kept wandering.
    • After the long flight, she felt unmellow and restless.
    • The unmellow crowd grew louder as they waited for the concert to start.
Antonyms
What does "unmellow" mean? | whatsthatwordmean | whatsthatwordmean