irascible

As adjectives the difference between irascible and fractious

is that irascible is easily provoked to outbursts of anger; irritable while fractious is given to troublemaking.

As adjectives the difference between querulous and irascible

is that querulous is often complaining; suggesting a complaint in expression; fretful]], [[whine|whining while irascible is easily provoked to outbursts of anger; irritable.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective irascible is

easily provoked to outbursts of anger; irritable.

As an adjective irascible is

easily provoked to outbursts of anger; irritable.

As adjectives the difference between irascible and irous

is that irascible is easily provoked to outbursts of anger; irritable while irous is (obsolete) irascible; passionate.