Letter: o
- omnipotent, absolute, all-knowing, all-powerful, all-seeing, all-wise, almighty, boundless, changeless, creating, creative, divine, eternal, eternally the same, everlasting, glorious
- omnipresence, completeness, comprehensiveness, entirety, eternity, exhaustiveness, glory, holiness, immutability, inclusiveness, infinite goodness, infinite justice, infinite love, infinite mercy, infinite power, infinite wisdom
- omnipresent, absolute, all-embracing, all-encompassing, all-knowing, all-out, all-pervading, all-powerful, all-present, all-seeing, all-wise, almighty, born, boundless, broad-based, changeless
- omniscience, eternity, expertise, glory, holiness, immutability, infinite goodness, infinite justice, infinite love, infinite mercy, infinite power, infinite wisdom, infinity, light, majesty, omnipotence
- omniscient, all-knowing, all-powerful, all-seeing, all-wise, almighty, apprehending, apprehensive, aware, boundless, changeless, cognizant, comprehending, conscious, creating, creative
- omnivore, biped, boarder, canine, cannibal, carnivore, consumer, diner, epicure, feeder, feline, gastronome, glutton, gourmet, herbivore, high liver
- omnivorous, a hog for, acquisitive, all-devouring, avaricious, avid, bolting, bottomless, cannibal, cannibalistic, carnivorous, coveting, covetous, cramming, devouring, dietetic
- omnivorousness, appetite, chewing, consumption, devouring, dieting, dining, gluttony, grazing, greed, hunger, ingestion, intemperance, licking, munching, nibbling
- on a footing, alike, commensurate, drawn, equal, even, knotted, level, like, nip and tuck, on a par, par, proportionate, quits, square, tied
- on a level, alike, commensurate, drawn, equal, even, evenly, flat, flush, knotted, lengthwise, level, like, nip and tuck, on a par, par
- on a par, alike, at par, au pair, commensurate, drawn, equal, equalized, even, fifty-fifty, half-and-half, knotted, level, like, nip and tuck, on a footing
- on a rock, confirmed, dyed-in-the-wool, embossed, engraved, established, etched, graven, implanted, impressed, imprinted, ingrained, ingrown, inveterate, rooted, set
- on a stretch, ad infinitum, again and again, constantly, continually, endlessly, incessantly, interminably, monotonously, on and on, on end, perennially, together, without stopping
- on account of, after, because of, by reason of, by virtue of, considering, due to, for, in behalf of, in consideration of, in favour of, in view of, in virtue of, on behalf of, owing to, thanks to
- on all counts, across the board, ad infinitum, all, all over, altogether, at large, bodily, collectively, en bloc, entirely, heart and soul, in all respects, overall, through and through, throughout
- on all fours, affirmative, agreeable, agreeing, at one, coexistent, coherent, coincident, coinciding, commensurate, compatible, concordant, congenial, congruent, congruous, consistent
- on all hands, all round, all together, as one, concurrently, in unison, one and all, right and left, together, unanimously
- on all sides, abroad, all round, around, broadly, far and wide, infinitely, right and left, round, vastly
- on and off, back and forth, off and on, round and round, to and fro, variably
- on and on, ad infinitum, again and again, always, at a stretch, at all times, ceaselessly, connectedly, constantly, continually, continuously, cumulatively, cyclically, daily, daily and hourly, day after day
- on balance, after all, all in all, all things considered, altogether, approximately, as a rule, at large, broadly, by and large, chiefly, commonly, essentially, generally, in general, mainly
- on bedrock, confirmed, dyed-in-the-wool, embossed, engraved, established, etched, graven, implanted, impressed, imprinted, ingrained, ingrown, inveterate, rooted, set
- on behalf of, for, in favour of, on account of, vice
- on bended knee, abject, adoring, beggarly, crawling, deferential, devout, fawning, flattering, grovelling, hangdog, humbly, imploring, ingratiating, mealy-mouthed, meekly
- on board ship, aboard, afloat, aloft, on board, topside
- on board, aboard, accessible, afloat, all aboard, aloft, among us, at hand, attendant, available, before the mast, here, hereabout, hereabouts, hereat, hereto
- on call, accessible, adaptable, all-around, at hand, available, cash, convenient, down, handy, of all work, on deck, on demand, on hand, on tap, pay-as-you-go
- on cloud nine, carried away, ecstatic, elated, enchanted, enraptured, entranced, exalted, exultant, flushed, happy, high, joyful, jubilant, overjoyed, pleased
- on deck, aboard, accessible, adaptable, afloat, aloft, at hand, attendant, available, convenient, handy, immanent, immediate, in view, indwelling, inherent
- on demand, cash, demand, down, on call
