The term 'is inconsistent' can be summarized by two crossword solutions: 'varies' (6 letters) and 'blowshotandcold' (15 letters). 'Varies' is an adjective that means to change or be different in some way, while 'blowshotandcold' is a phrase that describes a situation where one's opinion or attitude changes quickly and drastically. Both of these terms imply that something is not consistent, meaning it is not the same or does not remain the same over time.