Modifiers matching clown:

• balletic,
• clumsy,
• sarcastic,
• awkward,
• witty,
• irreverent,
• polemical,
• entertaining,
• oafish,
• acerbic,
• outgoing,
• cute,
• playful,
• creepy,
• twee,
• humorous,
• hilarious,
• cynical,
• ironic,
• mischievous,
• nonchalant,
• uneducated,
• funny,
• observant,
• carefree,
• optimistic,
• urbane,
• self-aggrandizing,
• unprofessional,
• cutting,
• good-hearted,
• friendly,
• sardonic,
• immature,
• engrossing,
• disgusting,
• jealous,
• lovable,
• suspenseful,
• flamboyant,
• instructive,
• outspoken,
• homicidal,
• alcoholic,
• vulgar,
• engaging,
• swaggering,
• absurd,
• weak,
• reckless,
• profane,
• foolish,
• tasteless,
• foul-mouthed,
• burnt-out,
• cheesy,
• affable,
• bumbling,
• brilliant,
• rude,
• insightful,
• literate,
• murderous,
• cruel,
• caustic,
• adulterous,
• silly,
• insecure,
• comical,
• glib,
• provocative,
• subversive,
• good-natured,
• incompetent,
• endearing,
• sinister,
• hammy,
• charming,
• boastful,
• classy,
• madcap,
• loveable,
• corny,
• crude,
• obnoxious,
• incisive,
• cunning,
• sadistic,
• creative,
• spoiled,
• childish,
• hugely-quotable,
• goofy,
• jolly,
• whimsical,
• cheery,
• vain,
• inept,
• jaded,
• randy,
• inventive,
• maniacal,
• gleeful,
• gullible,
• cocky,
• zany,
• offensive,
• erudite,
• debonair,
• inspiring,
• hucksterish,
• irresponsible,
• dashing,
• energetic,
• sleazy,
• snooty,
• chirpy,
• inhuman,
• egotistical,
• clever,
• charismatic,
• skillful,

Simple categories matching optimistic:

• person,
• director,
• shyster,
• child,
• guru,
• lover,
• scholar,
• billionaire,
• hero,
• poet,
• boxer,
• duck,
• politician,
• sidekick,
• philosopher,
• soldier,
• lawyer,
• warrior,
• invalid,
• clown,
• writer,