Words similar to proper

Example sentences for: proper

How can you use “proper” in a sentence? Here are some example sentences to help you improve your vocabulary:

A third party may deliver a letter if proper postage is affixed and canceled.
Is it proper for attendants to wear black at a wedding?
After all, both Parvez and the call girl Bettina are playing by capitalism's rules, trying to get a foothold in a society that closely guards access to its more "proper" ladders to the top.
A proper language should click along like a Swiss watch, doing its job in a no-nonsense way.
NFATc appears to be critical for proper cardiac muscle-cell differentiation [ 7], and NFAT3 functions in cardiac hypertrophy [ 8].