WordWeb Online

1. Following accepted customs and proprieties
   "conventional wisdom"; "she had strayed from the path of conventional behaviour"; "conventional forms of address"
    
2. Conforming with accepted standards
   "a conventional view of the world";
   - established
    
3. (fine arts) represented in simplified or symbolic form
   - formal, schematic
    
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. Rigidly formal or bound by convention
   "their conventional greetings did not seem heartfelt";
   - ceremonious
    
6. (weapons) using energy for propulsion or destruction that is not nuclear energy
   "conventional warfare"; "conventional weapons"
    
7. Unimaginative and conformist
   "conventional attitudes";
   - mainstream

See also: button-down, buttoned-down [US, informal], conservative, convention, conventionalism, conventionality, customary, formal, formulaic, nonrepresentational, orthodox, received, square, staid, stereotyped, stereotypic, stereotypical, stodgy, straight, stuffy, trad [Brit, informal], traditional, unimaginative, unoriginal, white-bread [N. Amer]

Antonym: atomic, unconventional

Encyclopedia: Conventional