Thumbs-downs is a term used to express disapproval or rejection. It is often used in the form of a gesture, where the person extends their thumb downwards. The three crossword solutions for this term are NOS (3 letters), NOES (4 letters), and REFUSALS (8 letters). NOS is an abbreviation for 'NO' and NOES is a plural form of 'NO'. REFUSALS is a noun that means the act of denying or declining something. All three words can be used to express disapproval or rejection, making them appropriate solutions for the term 'thumbs-downs'.