yield a profit - advantage, answer, avail, benefit, do, do the trick, fill the bill, pay, pay off, profit, repay, serve, suffice
,
sulky - at odds, averse, beefing, bigoted, black, bullheaded, cantankerous, carriage, complaining, contrary, crabbed, crabby, cranky, crestfallen, cursory,
sad-eyed - heavy, oppressed, sad, weighted down ,
certificate of proficiency - affidavit, attestation, authority, authorization, bill of health, certificate, certification, credential, deposition, diploma, note, sheepskin, sworn statement, testimonial, ticket,
mastermind - academician, ace, architect, authority, be responsible for, brains, call the signals, captain, carry on, classicist, clerk, colossus of knowledge, command, conceive, conceiver,
droning - booming, burring, buzzing, drone, gabble, gibber, gibbering, hum, humming, jabber, low rumbling, maundering, monotone, monotonic, mouthing,
aversion - abhorrence, abomination, allergy, anathema, animosity, antagonism, antipathy, averseness, backwardness, bad books, bigotry, cold sweat, creeping flesh, cursoriness, detestation,
brashly - abruptly, agonizingly, awfully, bitterly, blatantly, cruelly, curtly, deadly, deathly, distressingly, dreadfully, excessively, excruciatingly, extravagantly, flagrantly,
chatterbox - agreeable rattle, babbler, big talker, blab, blabber, blabbermouth, blatherer, busybody, chatterer, conversationalist, gasbag, gossip, great talker, hot-air artist, idle chatterer,
lady-killer - Casanova, Don Juan, Romeo, beau, blade, blood, boyfriend, caballero, can, cavalier, charmer, chaser, clotheshorse, coxcomb, dandy,
sulky - at odds, averse, beefing, bigoted, black, bullheaded, cantankerous, carriage, complaining, contrary, crabbed, crabby, cranky, crestfallen, cursory,
sad-eyed - heavy, oppressed, sad, weighted down ,
certificate of proficiency - affidavit, attestation, authority, authorization, bill of health, certificate, certification, credential, deposition, diploma, note, sheepskin, sworn statement, testimonial, ticket,
mastermind - academician, ace, architect, authority, be responsible for, brains, call the signals, captain, carry on, classicist, clerk, colossus of knowledge, command, conceive, conceiver,
droning - booming, burring, buzzing, drone, gabble, gibber, gibbering, hum, humming, jabber, low rumbling, maundering, monotone, monotonic, mouthing,
aversion - abhorrence, abomination, allergy, anathema, animosity, antagonism, antipathy, averseness, backwardness, bad books, bigotry, cold sweat, creeping flesh, cursoriness, detestation,
brashly - abruptly, agonizingly, awfully, bitterly, blatantly, cruelly, curtly, deadly, deathly, distressingly, dreadfully, excessively, excruciatingly, extravagantly, flagrantly,
chatterbox - agreeable rattle, babbler, big talker, blab, blabber, blabbermouth, blatherer, busybody, chatterer, conversationalist, gasbag, gossip, great talker, hot-air artist, idle chatterer,
lady-killer - Casanova, Don Juan, Romeo, beau, blade, blood, boyfriend, caballero, can, cavalier, charmer, chaser, clotheshorse, coxcomb, dandy,

