scourge, threat, nuisance, evils, militancy, epidemic, malevolence, cankerworm, criminality, pestilence, malaises, danger, demon, cunningness, problem, villainy, extremism, vices, rabidity, plague, lawlessness, communalism, blights, fanaticism, malady, ills, annoyance, rampaging, cultism, devilry, waywardness, maniac, marauder, feral, nihilism, encroachments, incubus, nemesis, rowdyism, prodigality, mayhem, vigilance, roguery, insecurity, paranoia, beastliness, havoc, destructiveness, bloodiness, belligerence, terrors, dastard, foulness, priggishness, toothlessness, omnipresence, depredations, vigor, monster, ineffectualness, scowl, aggression, filaria, calamity, nonchalance, sandfly, lunacy, beggary, glue sniffing, repulsiveness, insidiousness, miseries, murderousness, obscurantism, insensitiveness, baddie, wickedness, miscreant, implacability, phobia, helplessness, deterrent, nutcase, dreadfulness, mindlessness, irrepressibility, villain, landlordism, enfeeblement, fascism, fiend, rogues, bufo marinus, affliction, animality, pest, mercilessness, vileness, nuttiness, viciousness, rotter, desperado, peril, perils, threats, dangers, menaces, disaster, catastrophe, jeopardy, hindrance, aggressions, incitement, scare, apprehensions, disasters, embarrassment, impediment

yellow peril

surly, ugly

act, be, behave, do, evince, exist, express, show

endanger, imperil, jeopardize, threaten