trustiest

Webster's Dictionary (GCIDE)

Trusty \Trust"y\, 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]