Initialism of Revised Standard Version (a version of the Bible translated into English). / Initialism of respiratory syncytial virus.

plural of RSV

A reply to an invitation.

(intransitive) To reply to an invitation.

(computing) Initialism of resource reservation protocol. / (cognition) Initialism of rapid serial visual presentation.

(restaurants, events) To reserve a place

(informal) Alternative letter-case form of RSVP

plural of RSVP

Third-person singular simple present indicative form of RSVP

present participle of RSVP