Modifiers matching killer:

• fast,
• unscrupulous,
• demonic,
• murderous,
• strong,
• trigger-happy,
• militaristic,
• hot-tempered,
• vicious,
• ruthless,
• suave,
• evil,
• blooded,
• dangerous,
• cunning,
• shrewd,
• predatory,
• psychotic,
• current,
• diabolical,
• smart,
• exploitative,
• scheming,
• manipulative,
• urbane,
• snooty,
• emotionless,
• erudite,
• cold,
• deadly,
• bloodthirsty,
• callous,
• dictatorial,
• elusive,
• devastating,
• sinister,
• sociopathic,
• bullying,
• defiant,
• untrustworthy,
• repressive,
• bald,
• undaunted,
• quick-tempered,
• maniacal,
• heartless,
• acquisitive,
• brutal,
• suspenseful,
• messianic,
• female,
• common,
• dashing,
• twisted,
• formidable,
• misogynistic,
• narcissistic,
• cultured,
• malicious,
• global,
• inhuman,
• intelligent,
• dishonest,
• potential,
• violent,
• wicked,
• strategic,
• athletic,
• balletic,
• unforgiving,
• sartorial,
• deranged,
• jealous,
• insubordinate,
• remorseless,
• elegant,
• relentless,
• sexually-confused,
• psychopathic,
• driven,
• calculating,
• sophisticated,
• bigoted,
• nimble,
• big,
• aristocratic,
• literate,
• seductive,
• modern,
• resourceful,
• greedy,
• cultivated,
• anti-social,
• cruel,
• straightforward,
• pudgy,
• malevolent,
• amoral,
• richly-voiced,
• major,
• quick-thinking,
• devious,
• homicidal,
• despotic,
• underwater,
• conniving,
• traditional,
• reckless,
• blank-faced,
• Machiavellian,
• ugly,
• unfeeling,
• menacing,
• real,
• unhinged,
• animalistic,
• creepy,
• immoral,
• eloquent,
• agile,
• tactical,
• determined,
• vengeful,
• immediate,
• professional,
• dapper,
• pandemic,
• unstoppable,
• cold,
• merciless,
• proficient,
• unkillable,
• cynical,
• tyrannical,
• laconic,
• brave,
• wild-haired,
• sadistic,
• self-regarding,
• enigmatic,
• uncaring,
• talented,
• expressionless,
• rapacious,
• deceitful,
• duplicitous,
• diligent,
• charming,
• racist,

Simple categories matching jealous:

• fool,
• pianist,
• tyrant,
• person,
• clown,
• psychopath,
• grump,
• duck,
• musician,
• villain,
• snob,
• lover,
• composer,
• killer,
• child,
• genius,
• pretender,
• son,
• criminal,
• teenager,
• aristocrat,