Mike: The bad quality of air buttressed the argument for stronger environmental controls. Mine: If the building doesn't have a buttress, it would fall down.
Synonyms: back up, beef up, brace, build up, bulwark, carry, jack up, jazz up, prop, reinforce, shore, step up, strengthen, sustain, uphold
Antonyms: let down, weaken
Mike: The fort was built so that it would be defensible against all attackers. Mine: During the battle, the warriors have to be defensible or else they will die.
Mike: Sometimes it is better to buy durable clothes which last a long time rather than buying the latest fashion. Mine: The clothes are durable and won't be torn.
Mike: The raucous football fans were quelled by the police. Mine:The teacher quell their argument about whose smarter.
Synonyms:annihilate, conquer, crush, extinguish, hush up, kill, overcome, overpower, put down, put the lid on, queer, quench, shut down, silence, sit on, stamp out, stifle, stop, subdue, subjugate, vanquish
Antonyms:succeed, win
Mike: The nurse showed great valor when treating the war casualties. Mine: The valor girl stand in front of the class and starts to talk about her opinion about the teacher.