Shallow is a term used to describe something that is not deep or profound. INDISCRIMINATE means to not make distinctions or discriminate between different things, and is often used to describe behavior that is careless or thoughtless. FRIVOLOUS describes something that is not serious or important, and is often used to describe behavior that is silly or unimportant. INCONSIDERABLE means to be of little importance or value, and is often used to describe something that is INSIGNIFICANT. Depthless means to have no depth or to be without substance, and is often used to describe something that is shallow. IDLE means to be inactive or lazy, and is often used to describe behavior that is unproductive. IGNORANT means to lack knowledge or understanding, and is often used to describe someone who is unaware of something. INSIGNIFICANT means to be of little importance or value, and is often used to describe something that is unimportant. THIN means to be of small thickness or diameter, and is often used to describe something that is not dense or thick. LOW means to be of small height or altitude, and is often used to describe something that is not high or tall. FOOLISH means to be lacking in good sense or judgment, and is often used to describe behavior that is silly or unwise. INANE means to be silly or meaningless, and is often used to describe behavior that is FOOLISH or absurd. SHOAL means to be shallow or having little depth, and is often used to describe something that is not deep. Skindeep means to be superficial or shallow, and is often used to describe something that is not profound or meaningful.