Liberal Synonyms, Liberal Antonyms – Merriam-Webster

1 not bound by traditional ways or beliefs Synonyms broad-minded, nonconventional, nonorthodox, nontraditional, open-minded, progressive, radical, unconventional, unorthodox Related Words advanced, contemporary, modern; forbearing, indulgent, large-minded, lenient, permissive, tolerant; extreme; impartial, objective, unbiased Near Antonyms hard, rigid, strict; doctrinal, dogmatic (also dogmatical); bigoted, blinkered, intolerant, narrow-minded; reactionary, unreconstructed Antonyms conservative, conventional, hidebound, nonprogressive, old-fashioned, orthodox, stodgy, traditional

2 being more than enough without being excessive Synonyms abundant, ample, aplenty, bounteous, bountiful, comfortable, cornucopian, galore, generous, plentiful, plenteous, plentyRelated Words extra, supernumerary, surplus; abounding, blooming, overflowing, plump, replete, rich, rife, teeming, wealthy; adequate, enough, sufficient; fat, fecund, fertile, fruitful, luxuriant, prodigal, prolific; copious, fulsome, lavish, profuseNear Antonyms deficient, inadequate, insufficient, lacking, wanting; meager (or meagre), niggardly, stingy; skimpy; least, minimum; light, slight, small; barren, infertile, sterile, unfruitful, unproductiveAntonyms bare, minimal, scant, spare

3 giving or sharing in abundance and without hesitation Synonyms bighearted, bounteous, bountiful, charitable, free, freehanded, freehearted, fulsome, generous, munificent, open, openhanded, unselfish, unsparing, unstintingRelated Words extravagant, handsome, lavish, overgenerous, profuse; altruistic, beneficent, benevolent, hospitable, humanitarian, philanthropic (also philanthropical); big, greathearted, largehearted, magnanimous, openhearted; compassionate, good-hearted, kind, kindly, samaritan, sympatheticNear Antonyms mean, petty, small; frugal, spare, sparing, thrifty; chary, stinting; acquisitive, avaricious, avid, coveting, covetous, desirous, grasping, hoggish, itchy, mercenary, rapacious; begrudging, envious, grudging, resentfulAntonyms cheap, close, closefisted, costive, illiberal [archaic], mingy, miserly, niggardly, parsimonious, penurious, selfish, stingy, stinting, tight, tightfisted, uncharitable, ungenerous

Liberal Synonyms, Liberal Antonyms - Merriam-Webster