4. unreasonable, irrational, illogical, meaningless; preposterous, extravagant, excessive; haphazard, aimless, driftless, unconnected, groundless; inappropriate, inept, improper; incongruous, inconsistent.
5. trifling, petty, nugatory, frothy, frivolous, shallow; unimportant, inconsequential, immaterial, inconsiderable, insignificant; petty, picayune, trivial, measly, paltry; small, minor, slight, meager.
foolishness, n. 1. senselessness, meaninglessness, thoughtlessness, shallowness, vacantness, blankness, vacuousness, emptiness; vapidity, vapidness, insipidity, insipidness, flatness, dullness, tediousness; stupidity, asininity, imbecility, idioticalness, insensateness, dumbness, doltishness; slowness, moronity; illogic, illogicalness, illogicality, irrationality, irrationalness; idiocy, lunacy, madness, craziness, SI. screwiness.
2. folly, unwiseness, imprudentness, imprudency, Archaic, insipience; indiscretion, indiscreetness, ineptitude; unreasonableness, foolhardiness, SI. foolhead-edness, hastiness, impulsiveness, impetuousness; im-practicality, impracticalness, pointlessness, wild-goose chase, extravagance; ridiculousness, ridiculosity, ludicrousness, preposterousness; absurdity, absurdness, nonsensicalness, nonsensicality.
3. nonsense, moonshine, gobbledegook; foolish humbug, bunkum or buncombe, SI. bunk, U.S. SI. blah; flummery, Inf. hokum, SI. applesauce, SI. eyewash; rubbish, SI. tripe, refuse, Dial, culch, chaff, trash, Inf truck, trumpery; tommyrot, Inf. rot, SI. garbage, SI. crap, SI. crock, SI. bull; balderdash, hog-wash, SI. horsefeathers; stuff, stuff and nonsense, Inf. bosh, Brit. Inf gammon, Brit. SI. tosh; fudge, folly, rigmarole or rigamarole, amphigory; footle, Inf. ma-larkey, SI. bushwa, SI. baloney, SI. bilge or bilge water, SI. meshugaas, Scot. and North Eng. haver; poppycock, Inf. fiddle-faddle, Inf. piffle, Inf. hooey, Inf. kibosh, Inf flapdoodle; claptrap, rodomontade, fustian, bombast, rant, SI. hot air, SI. gas.
4. antic, antics, caper, Inf shenanigans, SI. monkey-shines, SI. monkeybusiness; prankishness, mischief, Inf hanky-panky, Scot. and North Eng. daffing; prank, trick, practical joke; fooling, foolery, tomfoolery, horseplay; clowning, clownery, clownishness; buffoonery, buffoonism, buffoonishness, harlequinade; joking, jesting, jocosity, jocoseness, jocularity, waggishness, waggery, drollery; levity, frivolity, facetiousness; silliness, inanity, childishness, puerility, juvenility, Inf. sappiness.
foot, n. 1. trotter, hoof, paw, pad; Inf tootsy, Anat. pes, kicker, (usu. pi.) dog.
2. base, foundation, principle, basis, footing, groundwork, substructure, substratum, understructure; support, pedestal, stand, rest, prop, stay, brace; bottom, Archit. socle, Archit. plinth, Bot. caudex.
3. end, edge, boundary, extremity, limit, border, margin, rim.
4. get off on the right foot get a good start, begin auspiciously, get out of the right side of the bed, Rare. auspicate.
5. on foot a. afoot, by foot; walking, running, skipping, jogging, sprinting,
b. in play, in progress or operation, going on.
6. put one's best foot forward a. make a good impression, get on the good side of; be on one's best behavior.
b. hurry, proceed with haste, hasten, accelerate.
7. put one's foot down stand fast, stand or hold one's ground, hold one's own, stick to one's guns; lay down the law, insist, not take “no” for an answer, have the last word.
8. put one's foot in one's mouth Informal, blunder, make a faux pas, make or pull a boner; make a fool of oneself, be tactless or inconsiderate.