unshakable

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}, {unwavering}]

2: without flaws or loopholes; "an ironclad contract"; "a

watertight alibi" [syn: {ironclad}, {unassailable}, {watertight}]