Online English Dictionary and Vocabulary Builder


1. [a] involving or causing danger or risk; liable to hurt or harm; "a dangerous criminal"; "a dangerous bridge"; "unemployment reached dangerous proportions"

2. [a] lacking in security or safety; "his fortune was increasingly insecure"; "an insecure future"

3. [s] not safe from attack

similar words

1. [s] breakneck

2. [s] chancy

3. [s] chanceful

4. [s] dicey

5. [s] dodgy

6. [s] desperate

7. [s] harmful

8. [s] hazardous

9. [s] risky

10. [s] venturesome

11. [s] venturous

12. [s] insidious

13. [s] mordacious

14. [s] on_the_hook(p)

15. [s] parlous

16. [s] perilous

17. [s] precarious

18. [s] touch-and-go

19. [s] self-destructive

20. [s] suicidal

21. [s] treacherous

22. [s] unreliable

23. [s] embattled

24. [s] precarious

25. [s] shaky

26. [s] uncertain

27. [s] unsure

28. [s] unguaranteed

29. [s] unsecured

30. [a] vulnerable

opposite words

1. [a] safe

2. [a] secure

add to myVocab      login      register   

Look up words in the English4Today Online Dictionary and then add them to your personal dictionary (myVocab).

Turn your word lists into tests for yourself, your friends or your students ... add a translation ... make vocabulary sets and flash cards.

All you need to start your own personal dictionary web is a free English4Today membership.

Do you know the meaning of ...

Random Members' Question

Question from:
English4Today Teacher in USA


The Writing Process: A look into an author's writing notes


View the answer

English grammar software checks your grammar and spelling, and gives feedback as you write!