Associations to the word «Pernicious»

Wiktionary

PERNICIOUS, adjective. Causing much harm in a subtle way.
PERNICIOUS, adjective. Causing death or injury; deadly.
PERNICIOUS ANAEMIA, noun. Alternative spelling of pernicious anemia
PERNICIOUS ANÆMIA, noun. Alternative spelling of pernicious anemia
PERNICIOUS ANEMIA, noun. (pathology) A severe form of anemia caused by vitamin B12 insufficiency.
PERNICIOUS ANEMIAS, noun. Plural of pernicious anemia

Dictionary definition

PERNICIOUS, adjective. Exceedingly harmful.
PERNICIOUS, adjective. Working or spreading in a hidden and usually injurious way; "glaucoma is an insidious disease"; "a subtle poison".

Wise words

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats