TRUSTIEST

TRUSTY

trustworthy, trusty

(adjective) worthy of trust or belief; “a trustworthy report”; “an experienced and trustworthy traveling companion”

Source: WordNet® 3.1

Adjective

trustiest

superlative form of trusty: most trusty

Source: Wiktionary

TRUSTY

Trust"y, a. [Compar. Trustier; superl. Trustiest.]

1. Admitting of being safely trusted; justly deserving confidence; fit to be confided in; trustworthy; reliable. Your trusty and most valiant servitor. Shak.

2. Hence, not liable to fail; strong; firm. His trusty sword he called to his aid. Spenser.

3. Involving trust; as, a trusty business. [R.] Shak.

Source: Webster’s Unabridged Dictionary 1913 Edition