What is Actionable Words?

Legal Definition
In the law of libel and slander. Words which import a charge of some punishable crime or some offensive disease, or impute moral turpitude, or tend to injure a party in his trade or business, are said to be "actionable per se." Barnes v. Trundy. 31 Me. 321; Lemons v. Wells, 78 Kv. 117; May-rant v. Richardson, 1 Nott & McC. 347, 9 Am. Dec. 707; Cady v. Brooklyn Uhion Pub. Co.., 23 Misc. Rep. 409, 51 N. Y. Supp. 198.
-- Black's Law Dictionary