Antonyms of adj small-minded

1 sense of small-minded

Sense 1
petty, small-minded -- (contemptibly narrow in outlook; "petty little comments"; "disgusted with their small-minded pettiness")

INDIRECT (VIA narrow-minded) -> broad-minded -- (inclined to respect views and beliefs that differ from your own; "a judge who is broad-minded but even-handed")

Similarity of adj small-minded

1 sense of small-minded

Sense 1
petty, small-minded -- (contemptibly narrow in outlook; "petty little comments"; "disgusted with their small-minded pettiness")
       => narrow-minded (vs. broad-minded), narrow -- (lacking tolerance or flexibility or breadth of view; "a brilliant but narrow-minded judge"; "narrow opinions")