undeveloped
— Adjective
– English
～ not developed, improved, exploited or used; "vast unexploited (or undeveloped) natural resources"; "taxes on undeveloped lots are low"
undeviating
— Adjective
– English
～ used of values and principles; not subject to change; steady; "undeviating loyalty"
undeviating
— Adjective
– English
～ going directly ahead from one point to another without veering or turning aside; "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"