The word benign means that a disease or tumor is not harmful or not cancerous. The phrase less benign would mean that it is not cancer and not harmful so it does not need to further treatment.
The prefix "mal" means "bad," as in evil, wrong or harmful.
It means that the contents of the cleaners, if they left any residue after usage, it would not be harmful if consumed.
"More harmful" and "most harmful." We would not use the -er and -est suffixes on the -ful which is already a suffix.
Benign means not harmful. So for example, grandparents see their grandchildren as benign lovable children.
It means not harmful or without harmful intent.
It means it will cause pain or irritation if you come into contact with it. (it probably means its harmful in other words)
Nope. Not helpful means I don't to help make people sad mostly. Harmful means you are doing a offense
Detrimental means harmful.
calamitous
Noxious
It means "harmful".
The opposite of harmful would be helpful. You could also say beneficial or fortunate.
The word pathogenic means disease causing. So they can be harmful...but some pathogenic bacteria only are harmful to plants or dogs or cats, etc.
Dangerous
It means to scrach at lot.
It means it could hurt you