| blow up(expression, annoy, provoke, excite, irritate) |
| blunt(verb, dull, develop, rough, adjust) |
| boil over(expression, annoy, provoke, excite, irritate) |
| break down |
| bring to naught(expression, idiom, upset, fail, deceive) |
| brutalize(verb, dull, develop, rough, adjust) |
| build up |
| bungle(verb, upset, fail, deceive, thwart) |
| burn up(expression, annoy, provoke, excite, irritate) |
| callous(verb, dull, develop, rough, adjust) |
| callus(verb, dull, develop, rough, adjust) |
| canker(verb, ruin, irritate, aggravate, corrupt) |
| case-harden(verb, dull, develop, rough, adjust) |
| cast down(expression, upset, fail, deceive, thwart) |
| chagrin(verb, upset, fail, deceive, thwart) |
| cheat |
| circumvent(verb, upset, fail, deceive, thwart) |
| climatize(verb, dull, develop, rough, adjust) |
| coarsen(verb, dull, develop, rough, adjust) |
| come to nothing(expression, idiom, upset, fail, deceive) |