fid-, fidel-
(Latin: believe, belief; trust, faith, true)
confidential
Of the nature of confidence; spoken or written in confidence; characterized by the communication of secrets or private matters.
confidentially
confidently
defiance
1. Renunciation of faith, allegiance, or amity; declaration of hostilities.
2. The act of defying or challenging to fight; a challenge or summons to a combat or contest; a challenge to make good or maintain a cause, assertion, etc. cartel of defiance.
defiant
1. Showing a disposition to defy.
2. Manifesting a spirit of defiance.
3. Feeling distrust.
defiantly
defier
defy
diffidence
1. Lacking confidence or faith; mistrust, distrust, misgiving, doubt; timid, shy, unsure, and self-effacing.
2. Distrust of oneself; lacking confidence in one’s own ability, worth, or fitness; modesty, shyness of disposition.
A diffident man is one who has finally discovered that there are some problems for which no one has a solution. It seems that when someone thinks he knows all the solutions to a problem, some fool comes along and asks the wrong questions.
—John Rayoa
diffident
1. Lacking self-confidence; distrustful of oneself.
2. Not confident in disposition; timid, shy, modest, bashful.
Diffident means lacking in self-confidence. The literal meaning is "not trusting".
diffidently
In a diffident manner, with distrust or self-distrust.
Disciplina, fide, perseverantia.
By discipline, fidelity, and perseverance.
A motto of fortitude and steadfastness.
Esto fidelis usque ad finem.
Be faithful even to the end.
Esto fidelis usque ad mortem.
Be faithful unto death.
Esto miles fidelis.
Be thou a faithful soldier.
Cross references of word families that are related directly, or indirectly, to: "faith, trust; faithful, trusting; believe, belief":
cred-;
dox-.