Synonyms to dig in

arm, accouter, advocate, affiliate, alpenstock, appendage, appoint, armlet, armor, armor-plate, athletic supporter, authorize, back, backbone, backing, bandeau, bank, barricade, battle, bay, bayou, bearer, beef, belt, biceps, bight, bless, block, blockade, boca, bough, bra, brace, bracer, bracket, branch, branch office, brassiere, bulwark, buttress, cane, carrier, castellate, cervix, champion, chapter, cloak, clothe, clothe with power, compass about, copyright, corset, cove, cover, creek, crenellate, crook, crutch, cushion, defend, deputize, division, dress, elbow, ell, embattle, empower, enable, endow, endue, energy, ensure, entrench, equip, estuary, euripus, extension, fence, fend, fit, fit out, fit up, fjord, force, forearm, fortify, foundation garment, frith, fulcrum, furnish, garrison, gear, girdle, guarantee, guard, gulf, gut, guy, guywire, hand, harbor, haven, heel, imp, inlet, insure, invest, jock, jockstrap, joint, keep, keep from harm, kyle, leg, limb, link, lobe, lobule, local, loch, lodge, mainstay, maintainer, make safe, man, man the garrison, mast, member, mine, mouth, munition, muscle, narrow, narrow seas, narrows, natu