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:

This is consistent with the known requirement for estrogen for proper mammary development [ 51].
Thus, the following experiments concentrated on addressing the alternative hypothesis: sα i2 is unstable and rapidly degraded due to disruptions in the C-terminus, and such instability results in a failure of sα i2 to reach its proper place at the PM.
Patients still can (and should) insist on holding doctors responsible for providing proper care.
The proposal is that a UKPMC will be run as a proper electronic library: it will collect, collate, and archive whole journals and be developed to receive single articles as well.
A third party may deliver a letter if proper postage is affixed and canceled.