Never doubted; always steady and on course (adjective)
Examples of word unwavering
The plot, unoriginal and unwavering, is the best thing going for this film.
It is very important to understand who you are and remain unwavering in your beliefs and dreams.
Since I have not only neglected my own blog but my friends 'as well (and I consider you a friend, as we all want only the best for each other and stand by in unwavering support), I have been reading back, interest a bit piqued by your last comment.
Others adopted an expression of unwavering ferocity.
How many of us trusted in unwavering U.S. adherence to the principles of the Geneva Convention?