Meaning of trustless

trust•less

Pronunciation: (trust'lis), [key]
— adj.
  1. not worthy of trust; faithless; unreliable; false: He was trustless when money was involved.
  2. distrustful; suspicious: a doorman trustless of all strangers.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.