It is obvious that such a definition is defective even within the context of ordinary English usage.
Notoriously these words have crept into ordinary usage from medieval philosophical Latin.
However, this argument depends too much on the conventions governing ordinary usage.
In science, we use the word theory somewhat differently from ordinary usage.
"I was not referring to the ordinary usage."
But in ordinary usage the two words are made interchangeable.
Austin warns us to take care when removing words from their ordinary usage, giving numerous examples of how this can lead to error.
Sometimes in ordinary usage, nonsense is synonymous with absurdity or the ridiculous.
You have again mistaken allegorical language for the ordinary usage of everyday speech.
"You're not going to have ordinary usage from now on;" Piemur said with a snort.