| Main Entry: | |
| Part of Speech: | noun |
| Definition: | breach |
| Synonyms: | aperture, break*, chasm, chip, cleft, crack*, discontinuity, fissure, gap, hole, opening, rent, rift, rupture, slit, split |
| 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: | hole |
| 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: | opening |
| Part of Speech: | noun |
| Definition: | gap, hole |
| Synonyms: | aperture, breach, break, cavity, chink, cleft, crack, cranny, crevice, cut, discontinuity, door, fissure, hatch, interstice, mouth, orifice, outlet, perforation, recess, rent, rift, rupture, scuttle, slit, slot, space, split, spout, tear, vent, window |
| Antonyms: | closing, closure, solid |
| Main Entry: | pit |
| Part of Speech: | noun |
| Definition: | hole, cavity |
| Synonyms: | abyss, chasm, crater, dent, depression, dimple, excavation, grave, gulf, hell, hollow, indentation, mine, perforation, pockmark, pothole, puncture, shaft, tomb, trench, well |
| Antonyms: | mountain |
| Main Entry: | prick |
| Part of Speech: | noun |
| Definition: | small hole made by stab |
| Synonyms: | cut, gash, jab, jag, perforation, pinhole, prickle, puncture, stab, wound |
| Main Entry: | puncture |
| Part of Speech: | noun |
| Definition: | hole, rupture |
| Synonyms: | break, cut, damage, flat, flat tire, jab, leak, nick, opening, perforation, prick, slit, stab |
| Main Entry: | rent |
| Part of Speech: | noun |
| Definition: | opening, split |
| Synonyms: | breach, break, chink, cleavage, crack, discord, dissension, division, faction, fissure, flaw, fracture, gash, hole, perforation, rift, rip, rupture, schism, slash, slit, tatter, tear |
| Antonyms: | closed |
| Main Entry: | penetration |
| Part of Speech: | noun |
| Definition: | act of entering |
| Synonyms: | diffusion, entrance, forcing, infiltration, ingress, insertion, invasion, osmosis, perforation, piercing, punching, seepage, stabbing, thrusting |
| Antonyms: | departure, egress, evacuation |