Lesson 28: Help and Harm

adulterate (v)

to make impure by adding extraneous, unusual, or improper ingredients

bane (n)

a cause of death, destruction, or ruin

boon (n)

something beneficial that is bestowed; blessing

exorcise (v)

to expel an evil spirit; to free from evil spirits

inimical (adj)

injurious or harmful in effect; unfriendly; hostile

panacea (n)

a remedy for all diseases, evils, or difficulties; cure-all

pernicious (adj)

tending to cause death or serious injury; deadly; causing great harm destruction ruinous

salutary (adj)

designed to effect an improvement; remedial; favorable to health

toxic (adj)

poisonous; harmful, destruction, or deadly

vitiate (v)

to impair the value or quality of; to corrupt morally; debase; to make ineffective; invalidate