English 10 - Vocabulary 15 Tools A B decimate To destroy or kill a large part of eradication Elimination havoc Widespread destruction blight To cause to decline or delay decomposition The process of decaying or rotting cataclysm A violent upheaval or disastrous flood mar To damage or spoil the quality of stagnant Foul from standing still obliterate To do away with completely pulverize TO pound or crush into a powder