deleteriously

In damaging fashion

In a way that causes harm or damage.

The adverb form of deleterious, it describes actions or effects that are injurious or destructive: The medication interacted deleteriously with her other prescriptions.

Years of neglect had deleteriously affected the building's foundation.

harmful

injuriously

In a harmful manner

perniciously · ruinously · destructively · harmfully · negatively · disadvantageously · prejudicially · banefully · balefully · corrosively

toxic

poisonously

In a toxic manner

lethally · contaminating · hazardously · dangerously · unsafely · septic · infectiously

Opposites
effect on well-being or condition

deleteriouslybeneficially

In a helpful manner

advantageously · helpfully · positively · constructively · favorably

Family

deleterious

Familiarity
Top 1,000,000
Profile
Used worldwide · Timeless · Abstract · Negative · Everyday, not technical · Rated G