a. [ Compar. Trustier superl. Trustiest. ]1. Admitting of being safely trusted; justly deserving confidence; fit to be confided in; trustworthy; reliable. [ 1913 Webster ]
Your trusty and most valiant servitor. Shak. [ 1913 Webster ]
2. Hence, not liable to fail; strong; firm. [ 1913 Webster ]
His trusty sword he called to his aid. Spenser. [ 1913 Webster ]
3. Involving trust; as, a trusty business. [ R. ] Shak. [ 1913 Webster ]