| Main Entry: | |
| Part of Speech: | noun |
| Definition: | crack |
| Synonyms: | abyss, chasm, chink, cleft, crack, cranny, crevasse, cut, division, fissure, fracture, gap, hole, interstice, opening, precipice, rent, rift, slit, split |
| Notes: | crevasse is a deep crack or opening, especially in a glacier or ice field; crevice is a narrow opening or fissure in a rock, wall, or floor |
| Main Entry: | chink |
| Part of Speech: | noun |
| Definition: | opening |
| Synonyms: | aperture, cleft, crack, crevice, cut, fissure, gap, hole, rift, slit, slot, space |
| Main Entry: | cleft |
| Part of Speech: | noun |
| Definition: | break, gap |
| Synonyms: | aperture, arroyo, breach, canyon, chasm, chink, cleavage, clough, clove, crack, cranny, crevasse, crevice, fissure, fracture, gorge, gulch, opening, ravine, rent, rift, rima, rimation, rime, schism, slit |
| Antonyms: | closing, closure, solid |
| Main Entry: | cranny |
| Part of Speech: | noun |
| Definition: | nook, opening |
| Synonyms: | breach, byplace, chink, cleft, crack, crevice, fissure, gap, hole, interstice, niche |
| Notes: | the difference between a nook and a cranny is that the nook is a corner and a cranny is a crack |
| Main Entry: | gap |
| Part of Speech: | noun |
| Definition: | break, breach |
| Synonyms: | aperture, arroyo, blank, caesura, canyon, chasm, cleft, clove, crack, cranny, crevice, cut, defile, difference, disagreement, discontinuity, disparity, divergence, divide, division, fracture, gorge, gulch, gully, hiatus, hole, hollow, inconsistency, interlude, intermission, interruption, interspace, interstice, interval, lacuna, lull, notch, opening, orifice, pause, ravine, recess, rent, respite, rest, rift, rupture, separation, slit, slot, space, vacuity, void |
| Antonyms: | closure |
| Main Entry: | interstice |
| Part of Speech: | noun |
| Definition: | opening, crack |
| Synonyms: | aperture, chink, cleft, cranny, crevice, fissure, gap, hole, interval, slit, space |
| Antonyms: | closing, closure |
| Main Entry: | leak |
| Part of Speech: | noun |
| Definition: | opening; seepage through opening |
| Synonyms: | aperture, chink, crack, crevice, decrease, destruction, detriment, drip, drop, escape, expenditure, exposure, fissure, flow, hole, leakage, leaking, loss, outgoing, percolation, pit, puncture, short circuit, slip |
| Notes: | a leak is an accidental hole, crack, or flaw that allows something to enter or escape, while a leek is a plant, related to the onion, having a large slender white bulb and flat overlapping dark green leaves |
| Main Entry: | mouth |
| Part of Speech: | noun |
| Definition: | opening |
| Synonyms: | aperture, beak, box, cavity, chops, clam, crevice, delta, door, embouchement, entrance, estuary, firth, fly trap, funnel, gate, gills, gob, harbor, inlet, jaws, kisser, lips, mush, orifice, portal, rim, trap*, yap |
| Main Entry: | nook |
| Part of Speech: | noun |
| Definition: | corner, cubbyhole |
| Synonyms: | alcove, byplace, cavity, compartment, cranny, crevice, den, hideout, hole, inglenook, niche, opening, quoin, recess, retreat |
| Notes: | the difference between a nook and a cranny is that the nook is a corner and a cranny is a crack |