1. Synonyms for Cantankerousness include tetchiness, irritability, testiness, irascibility, peevishness, grumpiness, petulance, grouchiness, crankiness and crossness

2. Asperity noun sharpness, bitterness, severity, irritability, acrimony, harshness, roughness, sourness, ruggedness, sullenness, irascibility, peevishness, acerbity, churlishness, moroseness, crossness, crabbedness 'I told you he had no idea,' she remarked with some Asperity.

3. Asperity noun sharpness, bitterness, severity, irritability, acrimony, harshness, roughness, sourness, ruggedness, sullenness, irascibility, peevishness, acerbity, churlishness, moroseness, crossness, crabbedness 'I told you he had no idea,' she remarked with some Asperity.

4. Bilious (adj.) 1540s, "pertaining to bile, biliary," from French bilieux, from Latin biliosus "pertaining to bile," from bilis "bile; peevishness" (see bile).Meaning "testy, peevish, ill-tempered" (as people afflicted with an excess of bile were believed to be) is attested from 1560s.