Concurrent events or situations happen at the same time.
Galerie St. Etienne is holding three ~ exhibitions...
Concurrent with her acting career, Bron has managed to write two books of her own.
ADJ: usu ADJ n, also v-link ADJ with n, v-link ADJ
~ly
He was jailed for 33 months to run ~ly with a sentence he is already serving for burglary.
ADV: ADV with v