# adjective. - unusual or surprising in a way that is unsettling or hard to understand. * children have some strange ideas - not previously visited, seen, or encountered; unfamiliar or alien. * a harsh accent that was strange to his ears - denoting or involving a flavor (variety) of unstable quark having an electric charge of - 1/3. Strange quarks have similar properties to down quarks and bottom quarks, but are distinguished from them by having an intermediate mass. * None