In full Definition 1 of 3Pro Tip 1/3Full Display Use to express something shown or expressed completely without holding back. The artist’s work was shown in full at the gallery. Pro Tip 2/3Maximal Intensity Describes actions or states taken to their highest degree or amount. The celebration was in full so everyone was having a great time. Pro Tip 3/3Complete Outfit Refers to wearing all parts of a uniform or costume, leaving nothing out. For the historical reenactment, participants must be in full attire.