At physiological pH, much of the drug remains un-ionized and can cross cell membranes more easily.

After the controversy, her un-friends outnumbered her real supporters.

She un-friends anyone who betrays her trust on social media.

After a heated disagreement, she un-friended me on all platforms overnight.

She warned him that she was un-friending people who posted hateful comments.

Her essay's un-understandableness frustrated the reviewers, who asked her to clarify the main argument.

The team is un-deadstocking vintage jackets by refurbishing and relisting them online.

The warehouse manager un-deadstocks last season's surplus to make room for incoming stock.

After auditing the inventory, the shop un-deadstocked several coats and prepared them for the seasonal display.

The un-understandability of the manual frustrated all the new employees.