| Main Entry: | aperture |
| Part of Speech: | noun |
| Definition: | hole |
| Synonyms: | breach, break, chasm, chink, cleft, crack, cut, eye, fissure, gap, gash, interstice, opening, orifice, outlet, passage, perforation, pinhole, puncture, rift, rupture, slash, slit, slot, space, vent |
| Main Entry: | breach |
| Part of Speech: | noun |
| Definition: | gap |
| Synonyms: | aperture, break, chasm, chip, cleft, crack, discontinuity, fissure, hole, opening, rent, rift, rupture, slit, split |
| Notes: | breach is an infraction, gap, or break; breech is the rear or lower portion of things |
| Antonyms: | bridge, connection |
| Main Entry: | breach |
| Part of Speech: | noun |
| Definition: | change from friendly to unfriendly relationship |
| Synonyms: | alienation, break, difference, disaffection, disagreement, discord, disharmony, dissension, disunity, division, estrangement, falling-out, fissure, fracture, parting of the ways, quarrel, rent, rift, rupture, schism, secession, separation, severance, split, strife, variance, withdrawal |
| Notes: | breach is an infraction, gap, or break; breech is the rear or lower portion of things |
| Main Entry: | chasm |
| Part of Speech: | noun |
| Definition: | gap, abyss |
| Synonyms: | abysm, alienation, arroyo, blank, breach, cavity, cleavage, cleft, clough, clove, crater, crevasse, fissure, flume, gorge, gulch, gulf, hiatus, hole, hollow, omission, opening, oversight, preterition, ravine, rent, rift, schism, skip, split, void, yawn |
| Antonyms: | closure, junction, juncture |
| 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: | crack |
| Part of Speech: | noun |
| Definition: | break, crevice |
| Synonyms: | breach, chink, chip, cleft, cranny, crevasse, cut, discontinuity, division, fissure, fracture, gap, hole, interstice, interval, rent, rift, rima, rimation, rime, split |
| 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 |