CAT, London fog, London special, addle, addle the wits, aerospace, aerosphere, aftergrass, air hole, air pocket, airspace, amorphousness, ball up, bamboo, becloud, bedazzle, bedim, befog, befuddle, befuddlement, bemist, bewilder, bewilderment, blur, bother, botheration, bug, bump, cane, ceiling, cereal, cereal plant, chaos, clabber up, cloud, cloud over, cloud up, confuse, confusion, corn, crosswind, dark, darken, darken over, darkness, daze, dazzle, defocus, deform, dim, discombobulate, discombobulation, discomfit, discomfiture, discompose, discomposure, disconcert, disconcertion, disorder, disorganization, disorganize, disorient, disorientation, distort, distract, disturb, disturbance, drisk, drizzling mist, eclipse, embarrass, embarrassment, empty space, encloud, enmist, entangle, farinaceous plant, favorable wind, film, flummox, flurry, fluster, flutter, fog up, fogginess, forage grass, frenzy, front, frost smoke, fuddle, fuddlement, fuss, fuzz, fuzziness, gauze, grain, graminaceous plant, grass, haze, head wind, high-pressure area, hole, indeterminateness, indistinctness, ionosphere, jetstream, jumble, lawn grass, lose resolution, low-pressure area, make uncertain, maze, mess, mess up, mist, mistiness, mix up, moider, muddle, muddlement, muddy, mumbo jumbo, murk, murkiness, mystification, mystify, nubilate, obfuscate, obfuscation, obnubilate, obscurantism, obscuration, obscure, obscurity, opacity, ornamental grass, overcast, overcloud, overshadow, oversmoke, pale, pea-soup fog, pea soup, peasouper, perplex, perplexity, perturb, perturbation, pocket, pother, pucker, put out, puzzle, raise hell, rattle, reed, roughness, ruffle, shade, shadow, shapelessness, shuffle, smog, smoke, soften, soup, space, stew, stratosphere, substratosphere, sweat, swivet, tail wind, throw into confusion, tizzy, tropopause, troposphere, trough, turbulence, unclarity, unclearness, unform, unplainness, unsettle, unsettlement, unshape, upset, vagueness, vapor, visibility, visibility zero