Definify.com

Webster 1913 Edition

Adj.

Faitless; false; treacherous.

Thrall to the faithless waves and

trothless

sky.

Fairfax.

Adj.

Faithless; treacherous.

trothless ‎(comparative more trothless, superlative most trothless)

(archaic) false; treacherous
Thrall to the faithless waves and trothless sky. — Fairfax.