A homologous organ or tissue in other vertebrates.
Frame of mind; disposition; mood
Excessive irritability or sensitiveness:
Find another word for tetchiness. In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for tetchiness, like: irascibility, irascibleness, spleen, temper, temperament, dander, short fuse, low boiling point, feelings, testiness and touchiness.