| Main Entry: | |
| Part of Speech: | verb |
| Definition: | dig up |
| Synonyms: | burrow, cut, delve, empty, gouge, grub, hollow, mine, quarry, scoop, scrape, shovel, spade, trench, tunnel, uncover, unearth |
| Antonyms: | fill |
| Main Entry: | concave |
| Part of Speech: | adjective |
| Definition: | curved, depressed |
| Synonyms: | biconcave, cupped, dented, dimpled, dipped, excavated, hollow, hollowed, incurvate, incurvated, incurved, indented, round, rounded, sagging, scooped, sinking, sunken |
| Notes: | convex (from Latin convexus 'arched, vaulted') refers to a surface that curves outward, concave (from Latin concavus 'hollow') to a surface that curves inward |
| Antonyms: | convex, distended |
| Main Entry: | deepen |
| Part of Speech: | verb |
| Definition: | make depth greater |
| Synonyms: | dig, dig out, dredge, excavate, expand, extend, hollow, scoop out, scrape out |
| Antonyms: | fill |
| Main Entry: | delve |
| Part of Speech: | verb |
| Definition: | dig into task, action |
| Synonyms: | burrow, dig, dredge, examine, excavate, explore, ferret out, go into, gouge out, inquire, investigate, jump into, leave no stone unturned, look into, probe, prospect, ransack, really get into, research, rummage, scoop out, search, seek, shovel, sift, spade, trowel, turn inside out, unearth |
| Main Entry: | dig |
| Part of Speech: | verb |
| Definition: | delve into; hollow out |
| Synonyms: | bore, break up, bulldoze, burrow, cat, channel, clean, concave, deepen, depress, dig down, discover, dredge, drill, drive, enter, excavate, exhume, fork out, go into, gouge, grub, harvest, hoe, investigate, mine, penetrate, pierce, pit, probe, produce, quarry, root, root out, rout, sap, scoop, scoop out, search, shovel, sift, spade, till, tunnel, turn over, uncover, undermine, unearth |
| Antonyms: | fill |
| Main Entry: | gouge |
| Part of Speech: | verb |
| Definition: | cut, scoop |
| Synonyms: | burrow, claw, dig, dredge, excavate, gash, groove, scrape, scratch, shovel, tunnel |
| Main Entry: | grub |
| Part of Speech: | verb |
| Definition: | dig, uncover |
| Synonyms: | beat, break, burrow, clean, clear, comb, delve, excavate, ferret, fine-tooth-comb, forage, hunt, poke, prepare, probe, pull up, rake, ransack, root, rummage, scour, search, shovel, spade, unearth, uproot |
| Antonyms: | cover, hide |
| Main Entry: | hollow |
| Part of Speech: | adjective |
| Definition: | empty, hollowed out |
| Synonyms: | alveolate, arched, carved out, cavernous, cleft, concave, cup-shaped, cupped, curved, deep-set, depressed, dimpled, excavated, incurved, indented, infundibular, not solid, notched, pitted, striated, sunken, troughlike, unfilled, vacant, vaulted, void |
| Antonyms: | convex, full, raised, solid |
| Main Entry: | hollow |
| Part of Speech: | verb |
| Definition: | empty out; make concave |
| Synonyms: | channel, chase, corrugate, dent, dig, dish, ditch, excavate, furrow, gorge, groove, indent, notch, pit, rabbet, remove, rut, scoop, shovel, trench |
| Antonyms: | fill, make convex, raise |