The term 'not very tight' can be described as 'LOOSE, ' which is a five-letter word. LOOSE is an adjective that means not firmly or tightly fixed in place; not taut or held securely; not compact or dense; not strict or severe; and not close or careful. It is often used to describe clothing, such as a LOOSE shirt or pants, or a rope that is not tied tightly. It can also be used to describe a person's behavior, such as someone who is not very strict or someone who is not careful with their money.