1. [Adjective]: unimaginative and conformist; "conventional bourgeois lives"; "conventional attitudes"

2. [Adjective]: following accepted customs and proprieties; "conventional wisdom"; "she had strayed from the path of conventional behavior"; "conventional forms of address"

3. [Adjective]: (weapons) using non-nuclear energy for propulsion or destruction; "conventional warfare"; "conventional weapons"

4. in accord with or being a tradition or practice accepted from the past; "a conventional church wedding with the bride in traditional white"; "the conventional handshake"

5. conforming with accepted standards; "a conventional view of the world"

6. rigidly formal or bound by convention; "their ceremonious greetings did not seem heartfelt"

7. represented in simplified or symbolic form

1. accepted

2. received

3. customary

4. formulaic

5. stodgy

6. stuffy

7. button-down

8. buttoned-down

9. conservative

10. square

11. straight

12. stereotyped

13. stereotypic

14. stereotypical

15. unimaginative

16. white-bread

17. traditional

18. formal

19. orthodox

20. nonrepresentational

1. unconventional

2. unconventional

3. nuclear

4. atomic