toon /ˈtuːn/ noun5 •(informal) A cartoon, especially an animated television show.Did you know Nash had a complete break with reality, that he was loonier than a toon for almost four months? — 2005 •(informal) An animated cartoon character.In 1947 Los Angeles, animated cartoon characters, or "toons", co-exist with humans, often employing their skills to entertain as film stars. — 2025 •(informal) A player's avatar or visible character in a massively multiplayer online role-playing game.Proxemics are very important, however, as the positioning of an agent's toon in anon-combat grouping or in the environment can show place within a social group. — 2010 •A southeast Asian and Australian tree (Toona ciliata or Toona australis) of the mahogany family with fragrant dark red wood and flowers that yield a dye.Each plot held 10 cull trees so that 60 Australian toon and 40 tropical ash trees were treated. — 1973 •The wood of this tree.After 7 years, all paint combinations except the self-primed latex are showing some failure on all species of wood except Australian toon. — 1972 formstoons