| Main Entry: | bulwark |
| Part of Speech: | noun |
| Definition: | fortification, support |
| Synonyms: | barrier, bastion, buffet, buttress, citadel, defense, embankment, fort, fortress, guard, mainstay, outwork, parapet, partition, protection, rampart, redoubt, safeguard, security, stronghold, vallation |
| Antonyms: | weak point |
| Main Entry: | defense |
| Part of Speech: | noun |
| Definition: | armament; protection system |
| Synonyms: | aegis, armor, arms, barricade, bastille, bastion, bulwark, buttress, citadel, cover, deterrence, dike, embankment, fastness, fence, fort, fortification, fortress, garrison, guard, immunity, munitions, palisade, parapet, position, protection, rampart, redoubt, resistance, safeguard, security, shelter, shield, stockade, stronghold, trench, wall, ward, warfare, weaponry, weapons |
| Antonyms: | desertion, flight, surrender |
| Main Entry: | grade |
| Part of Speech: | noun |
| Definition: | incline, slope |
| Synonyms: | acclivity, ascent, bank, cant, climb, declivity, descent, downgrade, elevation, embankment, gradient, height, hill, inclination, inclined plane, lean, leaning, level, obliquity, pitch, plane, ramp, rise, slant, tangent, tilt, upgrade |
| Main Entry: | harbor |
| Part of Speech: | noun |
| Definition: | place for storing boats in the water |
| Synonyms: | anchorage, arm, bay, bight, breakwater, chuck, cove, dock, embankment, firth, gulf, haven, inlet, jetty, landing, mooring, pier, port, road, roadstead, wharf |
| Notes: | harbor first meant 'shelter' and 'lodging' and that is how the word first entered English place-names, as a 'place of shelter; refuge' for a crowd of people; a port is a haven for vessels and it is equipped for loading and unloading ships, while a harbor is a haven for vessels but does not necessarily have onshore facilities |
| Main Entry: | mound |
| Part of Speech: | noun |
| Definition: | heap, hill |
| Synonyms: | anthill, bank, drift, dune, embankment, hillock, knoll, mass, molehill, mountain, pile, rise, shock, stack, tumulus |
| Antonyms: | depression, ditch, valley |
| Main Entry: | parapet |
| Part of Speech: | noun |
| Definition: | bulwark |
| Synonyms: | barricade, barrier, bastion, buffet, buttress, defense, embankment, fortification, partition, protection, protective wall, rampart, safeguard |
| Main Entry: | rampart |
| Part of Speech: | noun |
| Definition: | fortification, stronghold |
| Synonyms: | barricade, barrier, bastion, breastwork, bulwark, defense, earthwork, elevation, embankment, fence, fort, guard, hill, mound, parapet, protection, ridge, security, support, vallation, wall |
| Main Entry: | shore |
| Part of Speech: | noun |
| Definition: | waterside |
| Synonyms: | bank, beach, border, brim, brink, coast, coastland, embankment, lakeshore, lakeside, littoral, margin, riverbank, riverside, sand, sands, seaboard, seacoast, seashore, shingle, strand, waterfront |
| Notes: | the difference between a coast and the shore is the coast is the seaward limit of the land and the shore is the landward limit of the sea shore is the general word for an edge of land directly bordering a body of water; coast is limited to land along a sea or ocean |
| Antonyms: | inland |