otterish

Example:The children's playful behavior reminded me of a group of otters in the water.

Definition:Behaving in a light-hearted and merry manner, often associated with children or animals like otters

Example:The agile movements of the otters made it look like they were performing acrobatics.

Definition:Capable of rapid and easy movement, as from one place to another or in the use of one's body, like an otter