Antonyms of adj high-principled

1 sense of high-principled

Sense 1
high-principled -- (having high principles)

INDIRECT (VIA principled) -> unprincipled -- (lacking principles or moral scruples; "freedom from coarse unprincipled calumny"- A.E.Stevenson)

Similarity of adj high-principled

1 sense of high-principled

Sense 1
high-principled -- (having high principles)
       => principled (vs. unprincipled) -- (based on or manifesting objectively defined standards of rightness or morality; "principled pragmatism and unprincipled expediency"; "a principled person")