If something is done properly, it is done in a correct and satisfactory way. You're too thin. You're not eating properly. There needs to be a properly informed public debate.
Define properly. properly synonyms, properly pronunciation, properly translation, English dictionary definition of properly. adj. 1. Characterized by appropriateness or suitability; fitting: the proper knife for cutting bread; not a proper moment for a joke.
Definition of properly adverb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
correct or decorous: a very proper young man. right: It was only proper to bring a gift. strictly belonging or applicable: the proper place for a stove. belonging or pertaining exclusively or distinctly to a person, thing, or group. accurate.
There are eight meanings listed in OED's entry for the adverb properly, four of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.