<p><strong>Noun</strong></p><ul><li>great destruction or devastation; ruinous damage.</li><li>Synonyms: waste, ruin, desolation.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) havocked, havocking: to work havoc upon; devastate.</li><li>(used without object) havocked, havocking: to work havoc; e.g., The fire havocked throughout the house.</li></ul><p><strong>End of Response</strong></p>