Synonyms for Defense

Watchful Eye
cover defense eye guard	lee preservation refuge	safekeeping safety shade	shadow shelter watchful eye

Refutation
counterclaim counterstatement defense	demurrer exception objection	pleading rebuttal refutation	response riposte

Seawall
backstop bamboo curtain bank barrage barrier breakwater breastwork buffer bulkhead bulwark	buttress dam defense dike ditch earthwork embankment fence gate	groin iron curtain jetty jutty levee logjam moat mole mound	parapet pier rampart retaining wall roadblock seawall stone wall wall weir

Quarrel
action altercation apologetic apologetics apologia apology argument bandy words battle battle royal bicker bickering boiling brawl broil casuistry caterwaul cavil collide combat conflict	contend contention contest controversy defense differ disagreement dispute duel embroilment enmity fence feud fight fighting fracas fray grapple grapple with hassle hubbub	imbroglio jostle joust justification litigation logomachy moot pettifog plead polemic quarrel quibble rationalization rhubarb ruckus ruction rumpus scrimmage scuffle set to shindy	skirmish spar spat squabble strife strive struggle take sides thrash out tiff tilt tourney tussle vendetta wage war war wrangle wrangling wrestle

Shield
arm armor barricade bless champion cloak clothe copyright	defend defense ensure fence fend guarantee harbor haven	insure keep nestle patent police protect protection safeguard	security shelter shield shroud substitute tidy underwrite