Synonyms for Unswerving (same or very similar meaning)
WordNet sense 1 (going directly ahead from one point to another without veering or turning aside):
undeviating
WordNet sense 2 (direct in spatial dimensions; proceeding without deviation or interruption; straight and short):
direct
WordNet sense 3 (firm and dependable especially in loyalty):
staunch, steadfast
WordNet sense 4 (steadfast in purpose or devotion or affection):
constant
From the ODE community, based on WordNet
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