humorless

As adjectives the difference between humorless and humorful

is that humorless is lacking humor or levity; serious; not funny, amusing, amused, or lighthearted while humorful is humorous; comical.

is likely misspelled.

has no English definition.

As an adjective humorless

is lacking humor or levity; serious; not funny, amusing, amused, or lighthearted.

As adjectives the difference between tumorless and humorless

is that tumorless is without tumors while humorless is lacking humor or levity; serious; not funny, amusing, amused, or lighthearted.

As a noun taxonomy

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

As an adjective humorless is

lacking humor or levity; serious; not funny, amusing, amused, or lighthearted.