Word Study
dig in
THESAURUS
dig in
arm, armor, armor-plate, bank, barricade, battle, blockade, bulwark, castellate, crenellate, embattle, entrench, fence, fortify, garrison, hang in, hang in there, hang tough, hold fast, hold out, man, man the garrison, mine, palisade, remain firm, stand fast, stand firm, stand no nonsense, stand the gaff, stick, stick fast, take what comes, wallFor further exploring for "dig in" in Webster Dictionary Online