(now rare outside set phrases) Pertaining to those arts and sciences the study of which is considered to provide general knowledge, as opposed to vocational/occupational, technical or mechanical training.

One with liberal views, supporting individual liberty (see Wikipedia's article on Liberalism). / (US) Someone with progressive or left-wing views; one with a left-wing ideology.

A person who frees or liberates.

(botany) The inner bark of plants, next to the wood. It usually contains a large proportion of woody, fibrous cells, and is the part from which the fibre of the plant is obtained, as that of hemp, etc.

To release from slavery: to manumit. / To release from servitude or unjust rule. / To release from restraint or inhibition. / (chemistry) To release from chemical bonds or solutions.

The quality of being liberal.

The act of liberating or the state of being liberated. / The process of striving to achieve equal rights and status.

(transitive) to make liberal, free. / (intransitive) to become liberal, free.

(politics) A political party and philosophy / (politics) A member or supporter of a Liberal Party

Of or relating to the Liberal party, its membership, or its platform, policy, or viewpoint.