Antonyms of adj old-line

1 sense of old-line

Sense 1
oldline, old-line -- (adhering to conservative or reactionary principles; "an oldline senator")

INDIRECT (VIA center, right) -> left -- (of or belonging to the political or intellectual left)
INDIRECT (VIA right, left) -> center -- (of or belonging to neither the right nor the left politically or intellectually)
                                                                         

Similarity of adj old-line

1 sense of old-line

Sense 1
oldline, old-line -- (adhering to conservative or reactionary principles; "an oldline senator")
       => right (vs. left) (vs. center) -- (of or belonging to the political or intellectual right)