Without flexibility is a term that describes an inflexible attitude or approach. It can be used to describe a person, a situation, or a policy. The crossword solutions for this term are Rigidly (7 letters), Adamantly (9 letters), and Stiffly (7 letters). Rigidly means firmly fixed in place, unyielding, and unchangeable. Adamantly means refusing to be persuaded or to change one's mind. Stiffly means not easily bent or moved; rigid. All three words describe an attitude or approach that is unyielding and inflexible.