no
xious
Comparative
more noxious
Superlative
most noxious
1
causing harm
- The factory released noxious fumes into the air.
- That was a noxious comment — cruel and unnecessary.
- His noxious attitude poisoned the team's morale.
- Breathing in noxious gases can cause serious illness.
- Some plants produce noxious substances to deter predators.
Antonyms: