Merriam-Webster's Dictionary and Thesaurus - Merriam-Webster [352]
def·e·cate verb -cat·ed; -cat·ing 1 : to free from impurity or corruption
2 : to discharge feces from the bowels
— def·e·ca·tion noun
1defect noun : an imperfection that impairs worth or utility : BLEMISH
Synonyms
blemish, deformity, disfigurement, fault, flaw, imperfection, mark, pockmark, scar—more at BLEMISH
2defect verb : to desert a cause or party esp. in order to espouse another
— de·fec·tion noun
de·fec·tor noun : one that defects
Synonyms
deserter, recreant, renegade—more at RENEGADE
de·fec·tive adjective : imperfect in form or function : FAULTY
— defective noun
Synonyms
bad, faulty, imperfect—more at FAULTY
de·fence chiefly British variant of DEFENSE
de·fend verb [ORIGIN: ME, fr. OF defendre, fr. L defendere, fr. de- from + -fendere to strike]
1 : to repel danger or attack from
2 : to act as attorney for
3 : to oppose the claim of another in a lawsuit : CONTEST
4 : to maintain against opposition <~ an idea>
Synonyms
[1] cover, guard, protect, safeguard, screen, secure, shield, ward; also avert, prevent; fend (off), oppose, resist, withstand; battle, contend, fight, war; conserve, keep, preserve, save; buffer, palisade, picket, wall
Antonyms
assail, assault, attack
[4] justify, maintain, support, uphold—more at MAINTAIN
de·fend·er noun : one that defends
Synonyms
custodian, defense, guard, protection, protector—more at PROTECTOR
de·fen·dant noun : a person required to make answer in a legal action or suit
de·fense noun 1 : the act of defending : resistance against attack
2 : means, method, or capability of defending
3 : an argument in support or justification
4 : the answer made by the defendant in a legal action
5 : a defending party, group, or team
Synonyms
[2] aegis, armor, cover, guard, protection, safeguard, screen, security, shield, wall, ward; also armament, arm, munitions, weaponry, weapon; fastness, fort, fortress, palisade, stronghold
[3] alibi, excuse, justification, plea, reason—more at EXCUSE
de·fense·less adjective : being without defense
Synonyms
exposed, helpless, susceptible, undefended, unguarded, unprotected, unresistant, vulnerable—more at HELPLESS
defense mechanism noun : an often unconscious mental process (as repression) that assists in reaching compromise solutions to personal problems
de·fen·si·ble adjective : capable of being defended
Synonyms
justifiable, maintainable, supportable, sustainable, tenable—more at TENABLE
1defensive adjective 1 : serving or intended to defend or protect
2 : of or relating to the attempt to keep an opponent from scoring (as in a game)
— de·fen·sive·ly adverb
— de·fen·sive·ness noun
2defensive noun : a defensive position
1defer verb de·ferred; de·fer·ring [ORIGIN: ME deferren, differren, fr. MF differer, fr. L differre to postpone, be different]
: to put off to a later time : POSTPONE
Synonyms
delay, hold up, postpone, put off, shelve—more at POSTPONE
2defer verb deferred; deferring [ORIGIN: ME deferren, differren, fr. MF deferer, defferer, fr. LL deferre, fr. L, to bring down, bring, fr. de- down + ferre to carry]
: to submit or yield to the opinion or wishes of another
def·er·ence noun : courteous, respectful, or ingratiating regard for another's wishes
Synonyms
compliance, docility, obedience—more at COMPLIANCE
def·er·en·tial adjective : showing or expressing deference
Synonyms
dutiful, regardful, respectful—more at RESPECTFUL
de·fer·ment noun : the act of delaying; especially : official postponement of military service
de·fi·ance noun 1 : the act or an instance of defying
2 : disposition to resist or contend
Synonyms
disobedience, insubordination, rebelliousness, recalcitrance, refractoriness, unruliness—more at DISOBEDIENCE
de·fi·ant adjective : full of defiance
— de·fi·ant·ly adverb
Synonyms
contrary, disobedient, froward, intractable, rebellious, recalcitrant, refractory, unruly, untoward, wayward, willful—more at DISOBEDIENT