For harmful, damaging, injurious, detrimental, negative, hurtful, destructive. For dangerous, hazardous, perilous, unpredictable, vulnerable, treacherous
The hazard symbol is a skull with crossbones - the meaning is death.
For example hazardous.
very harmful
the ozone is hrmful.... it has many hurtful and dangerous gases
Ozone layer protects us from the harmful UV radiations of the sun. It filters out these harmful radiations. It is present in stratosphere.
Sick, feeble, frail, poorly, ill, weak, dangerous, nefarious, harmful, noxious, risky...
The hazard symbol is a skull with crossbones - the meaning is death.
"More harmful" and "most harmful." We would not use the -er and -est suffixes on the -ful which is already a suffix.
For example hazardous.
Dangerous, risky
what are the danerous or harmful drugs
A synonym for the word vindictive is revengeful or vengeful.
mischievous, immoral, harmful, poor quality
HIV is harmful and dangerous.
Dangerous, Hazardous, or Unsafe. 3 Synonyms for Treacherous.
It is not harmful but it dangerous.
Risky is a synonym of dangerous. It begins with the letter r.