The crossword solutions for the term 'absence of animation' are 'langour' and 'CEL'. Langour is a noun meaning a state of physical or mental weariness; lack of energy or enthusiasm. It is derived from the French word 'langueur' which means LANGUOR or listlessness. CEL is an abbreviation for celluloid, a transparent plastic material used to make motion picture film. Celluloid was used in the early days of animation to create the illusion of movement. Together, these two words describe the absence of animation, or the lack of movement and energy.