| Main Entry: | |
| Part of Speech: | noun |
| Definition: | sandbar |
| Synonyms: | bank, bar, mass, reef, sandbank, shallow |
| Main Entry: | lagoon |
| Part of Speech: | noun |
| Definition: | shallow body of water |
| Synonyms: | bayou, gulf, marsh, pond, pool, shallows, shoal, tidal pond |
| Notes: | a lagoon is a shallow pond near a body of water; a long lagoon near the sea is a haff |
| Main Entry: | reef |
| Part of Speech: | noun |
| Definition: | underwater or partially submerged ledge |
| Synonyms: | atoll, bank, bar, beach, cay, coral reef, ridge, rock, rock barrier, sand bar, shoal, skerry |
| Main Entry: | shallow |
| Part of Speech: | adjective |
| Definition: | not deep |
| Synonyms: | cursory, depthless, empty, flat, hollow, inconsiderable, sand bar, shelf, shoal, slight, superficial, surface, trifling, trivial, unsound |
| Antonyms: | deep |
| Main Entry: | shelf |
| Part of Speech: | noun |
| Definition: | jutting, flat area or piece |
| Synonyms: | bank, bracket, console, counter, cupboard, ledge, mantelpiece, mantle, rack, reef, ridge, rock, shallow, shoal |
| Main Entry: | superficial |
| Part of Speech: | adjective |
| Definition: | without depth, detail |
| Synonyms: | apparent, casual, cosmetic, cursory, depthless, desultory, empty, evident, exterior, external, flash, flimsy, frivolous, general, glib, half-baked, hasty, hurried, ignorant, inattentive, lightweight, nodding, on the surface, one-dimensional, ostensible, outward, partial, passing, perfunctory, peripheral, quick-fix, seeming, shallow, shoal, silly, sketchy, skin-deep, slapdash, slight, smattery, summary, surface, tip of the iceberg, trivial, uncritical, warped |
| Antonyms: | analytical, careful, deep, detailed, genuine, thorough |
| Main Entry: | surface |
| Part of Speech: | adjective |
| Definition: | external |
| Synonyms: | apparent, covering, depthless, exterior, facial, outer, outside, outward, shallow, shoal, superficial, top |
| Antonyms: | central, core, inside, interior, middle |
| Main Entry: | swarm |
| Part of Speech: | noun |
| Definition: | large, moving group |
| Synonyms: | army, bevy, blowout, concourse, covey, crowd, crush, drove, flock, herd, horde, host, jam, mass, mob, multitude, myriad, pack, press, push, school, shoal, throng, troop, turnout |
| Main Entry: | sand bar |
| Part of Speech: | noun |
| Definition: | ridge of sand |
| Synonyms: | sandbank, sandbar, shoal, tombolo |