vi to be, or act the part of, a guest.
2. guest ·vt to receive or entertain hospitably.
3. guest ·add. ·noun an inquiline.
4. guest ·add. ·noun any insect that lives in the nest of another without compulsion and usually not as a parasite.
5. guest ·noun a visitor; a person received and entertained in one's house or at one's table; a visitor entertained without pay.