Waterish is an adjective used to describe something that has a watery or diluted quality. It can be used to describe the taste of food, the consistency of a liquid, or the color of an object. The crossword solutions for this term are 'BLAND' and 'INSIPID', both of which mean lacking in flavor or interest. BLAND refers to something that is dull and uninteresting, while INSIPID means tasteless or lacking in flavor. Both words can be used to describe the waterish quality of something.