1. undeviating, unswerving

going directly ahead from one point to another without veering or turning aside

Example Sentences:
'some people see evolution as an undeviating upward march from simple organisms to the very complex'
'a straight and narrow tree-lined road unswerving across the lowlands'

Synonyms

• unswerving

2. undeviating

used of values and principles; not subject to change; steady

Example Sentences:
'undeviating loyalty'

Similar Words

• dependable
• reliable