not subject or susceptible to change or variation in form or quality or nature; "the view of that time was that all species were immutable, created by God"
of the distant or comparatively distant past; "We met once long ago"; "they long ago forsook their nomadic life"; "left for work long ago"; "he has long since given up mountain climbing"; "This name has long since been forgotten"; "lang syne" is Scottish
tediously prolonged or tending to speak or write at great length; "editing a prolix manuscript"; "a prolix lecturer telling you more than you want to know"
based on custom rather than documentation; "an unwritten law"; "rites...so ancient that they well might have had their unwritten origins in Aurignacian times"- J.L.T.C.Spence
beyond the literal or primary sense; "`hot off the press' shows an extended sense of `hot'"
fully extended or stretched forth; "an extended telescope"; "his extended legs reached almost across the small room"; "refused to accept the extended hand"