The term 'WHICHEVER ONE' is a phrase used to indicate that the speaker or writer does not have a preference between two or more options. It is often used in situations where the speaker or writer wants to leave the decision up to the listener or reader. The term can also be used to indicate that EITHER of two or more options could be chosen, depending on the situation. The crossword solutions for this term are 'EITHER' (6 letters) and 'ANY' (3 letters). Both of these terms are used to indicate that the speaker or writer does not have a preference between two or more options.