de
le
te
rious
Comparative
more deleterious
Superlative
most deleterious
1
inflicting damage or harm on someone or something
- Smoking cigarettes has been proven to have deleterious effects on one's health.
- The pollution had a deleterious effect on the local wildlife population.
- Smoking is known to have deleterious impacts on overall health.
- His deleterious behavior during meetings created a toxic work environment.
- The chemicals were found to have deleterious effects on soil fertility.