annex {Ans: (v) to add, attach; to incorporate; (n) an attachment or addition *SYNOYNYMS:* join, acquire, appropriate, procure}devitalize {Ans: (v) to make weak or lifeless *SYNONYMS:* enfeeble, sap, enervate *ANTONYMS:* enliven, stimulate, energize, excite}improvise {Ans: (v) to compose or perform without preparation; to construct from available materials *SYNONYMS:* ad-lib, play it by ear, wing it, extemporize *ANTONYMS:* plan, rehearse, practice, prepare}incite {Ans: (v) to rouse, stir up, urge on *SYNONYMS:* spur, kindle, provoke, instigate, prompt *ANTONYMS:* check, curb, impede, restrain, smother}embroil {Ans: (v) to involve in a conflict or difficulty; to throw into confusion *SYNONYMS:* entangled, ensnarl *ANTONYMS:* disentangle, separate, disconnect}glib {Ans: (adj) ready and influent in speech; thoughtless; insincere *SYNONYMS:* superficial, pat, oily, unctuous, facile *ANTONYMS:* halting, tongue-tied, speechless, awkward}precipitous {Ans: (adj) very steep *SYNONYMS:* sheer, abrupt, sharp *ANTONYMS:* gradual, shallow, graded, incremental}cordial {Ans: (adj) in a friendly manner, hearty: cherry ; (n) a liqueur *SYNONYMS:* hospitable, affable, warm, convivial *ANTONYMS:* gruff, unfriendly, unsociable}cornerstone {Ans: (n) the starting point of a building; a fundamental principle or element *SYNONYMS:* foundation, base, underpinning, support}shackle {Ans: (v) to put into chains; (n., usually plural) a chain, fetter *SYNONYMS:* manacle, enslave; handcuffs, bonds,