정신이나 육체, 또는 어떠한 상황에 대하여 해를 끼치거나 나쁜 영향을 주는
Causing harm, damage, or a negative effect, particularly in a subtle or gradual manner.
예문:
"The deleterious effects of smoking on lung capacity are well-documented."
"Excessive noise pollution can have a deleterious impact on the quality of sleep."
"The sudden increase in interest rates had a deleterious effect on the housing market."