We have put together a list of words that are similar to DANGEROUS.

8 Alternative Words Similar to dangerous

1 Unsafe Adjective      Synonym Words Like Unsafe
2 Grave Adjective      Synonym Words Like Grave
3 Grievous Adjective      Synonym Words Like Grievous
4 Serious Adjective      Synonym Words Like Serious
5 Safe Adjective      Antonym Words Like Safe
6 Vulnerable Adjective      Related Words Like Vulnerable
7 Critical Adjective      Similar Words Like Critical
8 Desperate Adjective      Similar Words Like Desperate

9 examples of dangerous

1 a grave situation
2 a serious turn of events
3 a serious wound
4 grievous bodily harm
5 a severe case of pneumonia
6 a grave illness
7 a life-threatening disease
8 a dangerous bridge
9 unemployment reached dangerous proportions

10 definitions of dangerous

1 Attended or beset with danger; full of risk; perilous; hazardous; unsafe.
2 Causing danger; ready to do harm or injury.
3 In a condition of danger, as from illness; threatened with death.
4 Hard to suit; difficult to please.
5 Reserved; not affable.
6 causing fear or anxiety by threatening great harm
7 involving or causing danger or risk; liable to hurt or harm
8 Involving or filled with danger; perilous.
9 Being able or likely to do harm.
10 Involving or exposing to danger; perilous; hazardous; unsafe; full of risk: as, a dangerous voyage; a dangerous experiment; in a dangerous condition.
We get our data from many different dictionaries across the web:
Wordnik, Wiktionary, Century, American Heritage, Gcide