1. characteristic of or resembling a club; having the shape or form of a club
Usage: often used in botany and biology to describe club-shaped structures
2. of, relating to, or suggestive of a social club or club members; cliquish
Usage: informal

Examples

• The plant has clubbish leaves that taper at the base.
• The organization has a clubbish atmosphere that makes newcomers feel unwelcome.
• The antennae of the insect are clubbish in appearance.
• Their clubbish behavior excluded anyone outside their inner circle.
• The fungus displays clubbish fruiting bodies under the microscope.