ETYM AS. biter; akin to Goth. baitrs, Icel. bitr, Dan., Swed., Dutch, and German bitter, OS. bittar, from root of Eng. bite. Related to Bite.
1. Expressive of severe grief or regret.
2. One of the four basic taste sensations; sharp and disagreeable; like the taste of quinine.
3. Proceeding from or exhibiting great hostility or animosity.
4. Very difficult to accept or bear.
ETYM Latin morosus, prop., excessively addicted to any particular way or habit, from mos, moris, manner, habit, way of life: cf. French morose.
1. Of a sour temper; sullen and austere; ill-humored; severe.
2. Brooding over evil thoughts.