Not marked by or exhibiting uncertainty or indecision:
Assured is defined as something that is definite.
Capable of being relied on; dependable:
Positive is defined as good, looking towards the good side of things, showing certainty, showing the presence of an illness or substance, more than zero, or charged with positive electricity.
(Obs.) Secure or safe
Having no direct object. [First attested around 1350 to 1470.]
The definition of implicit refers to something that is suggested or implied but not ever clearly said.
Not held back for a particular person:
Doing or done with all one's energy, enthusiasm, etc.; hearty; sincere; earnest
Conspicuous in position, wealth, or importance; prominent:
The definition of limited is something or someone with boundaries or restrictions.
Find another word for undoubting. In this page you can discover 15 synonyms, antonyms, idiomatic expressions, and related words for undoubting, like: unquestioning, assured, certain, confident, positive, sure, absolute, implicit, unconditional, unfaltering and unhesitating.