guest speaker
guest speaker — noun
1. someone who is asked to come to an event, class, or meeting to talk about a subj
someone who is asked to come to an event, class, or meeting to talk about a subject they have special knowledge of
Joaquín felt nervous before his first talk as a guest speaker at the forum.
collocation: appear as a guest speaker at [event]
Amelia was the guest speaker at the school's career day and talked about nursing.
pattern: be the guest speaker at [event]
Dewi prepared slides for her guest speaker talk on protecting local forests.
The conference had a guest speaker from Japan who explained new solar technology.
The guest speaker held up a piece of ice from Antarctica for everyone to see.
- invited speaker
close synonym; 'guest speaker' is more common in everyday and educational contexts
- visiting speaker
emphasises that the person has travelled from another place or institution
- regular speaker
someone who speaks at an event or in a series on a recurring basis, not a one-time invitee