fracas, n. [brawl], [uproar], [disturbance], [quarrel].
fractious, a. [unruly], [perverse], [irritable], [ugly], [waspish].
fracture, n. [rupture], [breach], [breaking].
fragile, a. [brittle], frangible, [frail], [delicate].
fragility, n. [brittleness], frangibility, [frailty].
fragment, n. remnant, chip, [scrap], flinder, [piece], flitter.
fragmentary, a. [disconnected], fractional, [incomplete].
fragrance, n. [perfume], aroma, redolence. Antonyms: fetor, [stench], inodorousness.
fragrant, a. [sweet-smelling], redolent, [aromatic], [balmy], sweet-scented. Antonyms: inodorous, scentless, [fetid].
frail, a. [fragile], [brittle], frangible; [feeble], [weak], infirm.