| Main Entry: | |
| Part of Speech: | noun |
| Definition: | opening in a solid object |
| Synonyms: | aperture, breach, break, burrow, cave, cavern, cavity, chamber, chasm, chink, cistern, cleft, covert, crack, cranny, crater, cut, den, dent, depression, dimple, dip, excavation, eyelet, fissure, foramen, fracture, gap, gash, gorge, hollow, hovel, keyhole, lacuna, lair, leak, mouth, nest, niche, nick, notch, orifice, outlet, passage, peephole, perforation, pit, pocket, pockmark, puncture, rent, retreat, scoop, shaft, shelter, space, split, tear, tunnel, vacuity, vent, void, window |
| Notes: | a hole is an opening or cavity into or through something, while whole means complete, not divided |
| Antonyms: | closure, solid |
| Main Entry: | abode |
| Part of Speech: | noun |
| Definition: | building or place where one resides |
| Synonyms: | address, apartment, base, casa, co-op, condo, crash pad, crib*, den, digs, domicile, dwelling, flat, flop, habitat, haunt, headquarters, hearth, hole*, home, homestead, house, joint*, lodging, pad, quarters, residence, roost, sanctuary, seat |
| Main Entry: | abyss |
| Part of Speech: | noun |
| Definition: | something very deep, usually a feature of land |
| Synonyms: | abysm, chasm, crevasse, depth, fissure, gorge, gulf, hole, pit, void |
| Main Entry: | asylum |
| Part of Speech: | noun |
| Definition: | refuge |
| Synonyms: | cover, den, harbor, haven, hideaway, hideout, hole, ivory tower, port, preserve, refuge, retreat, safe house, safety, sanctuary, security, shelter |
| Main Entry: | basin |
| Part of Speech: | noun |
| Definition: | container or area where water is held |
| Synonyms: | bay, bowl, concavity, depression, dip, ewer, gulf, hole, hollow, lagoon, pan, pool, pot, sag, sink, sinkage, sinkhole, tub, valley, vessel, washbasin, washbowl, watershed |
| Main Entry: | blank |
| Part of Speech: | noun |
| Definition: | empty space |
| Synonyms: | abyss, cavity, chasm, emptiness, gap, gulf, hiatus, hole, hollow, hollowness, interstice, interval, lacuna, nihility, nothingness, nullity, omission, opening, preterition, pretermission, skip, tabula rasa, vacancy, vacuity, vacuum, void, womb |
| 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: | break |
| Part of Speech: | noun |
| Definition: | fissure, opening |
| Synonyms: | breach, cleft, crack, discontinuity, disjunction, division, fracture, gap, gash, hole, rent, rift, rupture, schism, split, tear |
| Notes: | to brake is to slow or stop while break is to cause to separate into pieces suddenly or violently, smash or crack |
| Antonyms: | association, attachment, binding, combination, fastening, juncture |
| Main Entry: | cavern |
| Part of Speech: | noun |
| Definition: | hollow in land formation |
| Synonyms: | cave, grotto, hole, pothole, subterrane, subterranean area |
| Notes: | cavern is more vague and rhetorical than cave; a cavern is a large cave |