unwavering
     adj 1: marked by firm determination or resolution; not shakable;
            "firm convictions"; "a firm mouth"; "steadfast
            resolve"; "a man of unbendable perseverence";
            "unwavering loyalty" [syn: {firm}, {steadfast}, {steady},
             {unbendable}, {unfaltering}, {unshakable}]
     2: not showing abrupt variations; "spoke in a level voice";
        "she gave him a level look"- Louis Auchincloss [syn: {level}]
Source: WordNet® 2.0