keeping ones nose to the grindstone (verb) keep one's nose to the grindstone: work doggedly
Sinonime: advanced,
avant-garde,
broad, broad-minded, catholic,
enlightened,
flexible,
free,
general, high-minded, humanistic,
humanitarian,
indulgent,
intelligent,
interested, latitudinarian,
left,
lenient, libertarian,
loose,
magnanimous, permissive,
radical,
rational,
reasonable, receiving,
receptive, reformist,
tolerant,
unbiased, unbigoted,
unconventional,
understanding,
unorthodox, unprejudiced
Antonime: conservative,
narrow, narrow-minded