kənˈvɜːʃ(ə)n kənˈvɝʒən ˈpæsɪd͡ʒ tɹænˈzɪʃən tɹænˈzɪʃən the act of passing from one state or place to the next make or undergo a transition (from one state or system to another) The airline transitioned to more fuel-efficient jets The adagio transitioned into an allegro cause to convert or undergo a transition the company had to transition the old practices to modern technology a passage that connects a topic to one that follows a musical passage moving from one key to another a change from one place or state or subject or stage to another an event that results in a transformation