chief; principal; most important; foremost

a leading toy manufacturer.

coming in advance of others; first

We rode in the leading car.

directing, guiding.

the act of a person or thing that leads.

adjective

inferior , last , subordinate , supplementary , unimportant

adjective

arch , best , champion , dominant , dominating , famous , first , foremost , governing , greatest , headmost , highest , inaugural , initial , main , noted , notorious , number one , outstanding , popular , preeminent , premier , primary , principal , prominent , ruling , stellar , top , well-known , capital , cardinal , chief , key , major , paramount , prime , famed , ahead , central , controlling , guiding , head , influential , motivating , premiere , unparalleled