adj. 1. of or pertaining to Guyana; as, Jonestown the Guyanese capital. [ WordNet 1.5 ]
2. Of or pertaining to the inhabitants of Guyana; as, Guyanese followers of the religious cult leader died in Jonestown. [ WordNet 1.5 ]
n. A native or inhabitant of Guyana. [ WordNet 1.5 ]