Molehill

n.

1.

A little hillock of earth thrown up by moles working under ground; hence, a very small hill, or an insignificant obstacle or difficulty; as, to make a mountain out of a molehill. Having leapt over such mountains, lie down before a molehill. - South.

Noun

1.

molehill - a mound of earth made by moles while burrowing

a continental, a curse, a damn, a darn, a hoot, anthill, bagatelle, bank, barrow, bauble, bean, bibelot, bit, brae, brass farthing, butte, button, cent, cock, curio, down, drift, drumlin, dune, embankment, farce, farthing, feather, fell, fig, fleabite, folderol, foothills, fribble, frippery, gaud, gewgaw, gimcrack, hair, halfpenny, haycock, haymow, hayrick, haystack, heap, hill, hill of beans, hillock, hummock, jest, joke, kickshaw, knickknack, knickknackery, knob, knoll, minikin, mockery, monticle, monticule, moor, mound, mow, peppercorn, picayune, pile, pin, pinch of snuff, pinprick, pyramid, rap, red cent, rick, row of pins, rush, sand dune, shit, snap, sneeshing, snowdrift, sou, stack, straw, swell, toy, trifle, trinket, triviality, tuppence, two cents, twopence, whim-wham