Antarctican noun 2adjective 1forms 1 noun2 •A native of Antarctica.Had the US Navy icebreakers been unable to rescue them from the ice in early 1948 her child might have been the first native-born Antarctican. — 1956 •One who has spent time in Antarctica, especially a scientist or researcher....the easy-going good nature and “she’s right, mate,” attitude of the genuine Australian is a simple but practical outlook which could well be copied by many future Antarcticans. — 1956 adjective1 •(nonstandard) Antarctic; of or pertaining to Antarctica....West Antarctican part of Gondwanaland are very informative. — 1859 formsAntarcticans