adj.
1.following accepted customs and proprieties
2.conforming with accepted standards
3.(weapons) using non-nuclear energy for propulsion or destruction
4.unimaginative and conformist
5.represented in simplified or symbolic form
6.in accord with or being a tradition or practice accepted from the past
7.rigidly formal or bound by convention
Idiom of the Day
slow on the uptake
to be slow to figure something out
The new employee is slow on the uptake and we must explain everything to him at least two times.