adjective capable of causing a violent burst of energy.Dynamite is an explosive substance.Gasoline and fire make an explosive combination. noun a substance that is capable of causing an explosion, esp. an agent…

intransitive verb to speed violently and often noisily.The comet hurtled toward earth. transitive verb to hurl or fling violently.The powerful engine hurtled the rocket into space. See the full entry

adjective covered or filled with grime; extremely dirty.He scrubbed his grimy hands after working on his car. See the full entry

With the Wordsmyth Vocabulary Center activities, you can study these words, play games with them, and assess your knowledge of their meanings with a quiz. Click here to go to the Vocabulary…