Founded on; having a basis; often used in combining forms.

Being derived from (usually followed by on or upon). / Having a base / Having a base of operations.

(slang, of a person) Not caring what others think about one's personality, style, or behavior; focused on maintaining individuality.

The quality or condition of being base. / The quality of being unworthy to hold virtues or value.

A surname transferred from the nickname.

present participle of base

The storage or housing of something within a base.

In a base manner

(baseball) Having reached a base in an inning. / Located within the premises of a military base. / (aviation) Flying the base leg of an approach.

Acronym of building, antenna-tower, span, earth.