Princeton's WordNet

1. conventional(adj)

   following accepted customs and proprieties

   "conventional wisdom"; "she had strayed from the path of conventional behavior"; "conventional forms of address"

2. conventional, established(adj)

   conforming with accepted standards

   "a conventional view of the world"

3. conventional(adj)

   (weapons) using energy for propulsion or destruction that is not nuclear energy

   "conventional warfare"; "conventional weapons"

4. conventional(adj)

   unimaginative and conformist

   "conventional bourgeois lives"; "conventional attitudes"

5. conventional, formal, schematic(adj)

   represented in simplified or symbolic form

6. conventional(adj)

   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"

7. ceremonious, conventional(adj)

   rigidly formal or bound by convention

   "their ceremonious greetings did not seem heartfelt"

Kernerman English Learner's Dictionary

1. conventional(adjective)ənˈvɛn ʃə nl

   ≠ unconventional

   conventional teaching methods; a conventional marriage

2. conventionalənˈvɛn ʃə nl

   what most people think or believe

3. conventionalənˈvɛn ʃə nl

   (of person) preferring traditional ways

   a strict conventional man

4. conventionalənˈvɛn ʃə nl

   (of weapons) of the standard type, not nuclear or chemical

   conventional weapons

Wiktionary

1. conventional(Adjective)

   Pertaining to a convention, as in following generally accepted principles, methods and behaviour.

2. conventional(Adjective)

   ordinary, commonplace

3. conventional(Adjective)

   banal, trite, hackneyed, unoriginal or cliche

Webster Dictionary

1. Conventional(adj)

   formed by agreement or compact; stipulated

2. Conventional(adj)

   growing out of, or depending on, custom or tacit agreement; sanctioned by general concurrence or usage; formal

3. Conventional(adj)

   based upon tradition, whether religious and historical or of artistic rules

4. Conventional(adj)

   abstracted; removed from close representation of nature by the deliberate selection of what is to be represented and what is to be rejected; as, a conventional flower; a conventional shell. Cf. Conventionalize, v. t

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