From Longman Dictionary of Contemporary Englishdeleteriousdel‧e‧ter‧i‧ous /ˌdeləˈtɪəriəs◂ $ -ˈtɪr-/ adjective formal DAMAGEHARM/BE BAD FORdamaging or harmful SYN detrimental the deleterious effects of smoking
Examples from the Corpus
deleterious• Thus a possible deleterious effect of hyperinsulinaemia may be the inhibition of prostacyclin production by arterial wall.• In contrast, ethanol and acetaldehyde did not have any apparent deleterious effect on lysosomal stability.• Therefore it appears that hypertension has an additive deleterious effect on overall prognosis in the diabetic.• Almost always, these have a deleterious effect on the textile material, and they should be excluded.• Parental divorce has often been assumed to have deleterious effects on children.• These are poor in nutrients and their peaty soils have little capacity to absorb any more acid without deleterious effects.• However, it is never too late to stop a damaging practice that has a deleterious impact upon the Catholic community.• Now, suppose that deleterious mutations reduce survival below this optimal value.deleterious effects• Kinmond and colleagues' study suggests that a short delay may improve outcome without any obvious deleterious effects.• These are poor in nutrients and their peaty soils have little capacity to absorb any more acid without deleterious effects.• To date, such monitoring has not revealed any deleterious effects from the limited number of organisms which have been released.• Parental divorce has often been assumed to have deleterious effects on children.Origin deleterious (1600-1700) Medieval Latin deleterius, from Greek deleisthai “to hurt” 