vocab Vocabulary B21 Match the words from the box with the definitions. Then press "Check" to mark your answers. former conserve improvise reduce exert captivity develop decline ingenious boisterous [verb] to keep (something) from being wasted, destroyed, or lost. [adjective] clever or creative in setting up or working through problems. [noun] the condition of being captive; bondage; imprisonment. [verb] to refuse to do, in a polite way. [adjective] happening in or having to do with the past; previous. [verb] to grow or cause to grow. [verb] to make less in amount or size. [verb] to make up while one is performing; perform without planning or practice. [verb] to use or put into action; apply. [adjective] loud, unrestrained, and in high spirits; rowdy. Check OK Back to Vocabulary Test Main Page