absolute indication, allegiance, arraignability, arraignableness, aspersion, assigned task, attaint, badge of infamy, bar sinister, baton, bend sinister, black eye, black mark, blameworthiness, bloody hands, blot, blur, bounden duty, brand, broad arrow, burden, burden of proof, burthen, business, call of duty, cargo, censurability, censurableness, censure, champain, charge, chargeability, commitment, complicity, conclusive evidence, criminality, cross, culpability, cumbrance, damning evidence, deadweight, dedication, deference, demonstration, determination, devoir, devotion, difficulty, dirty hands, disadvantage, disparagement, duties and responsibilities, duty, embarrassment, encumbrance, establishment, ethics, fault, fealty, freight, guilt, guiltiness, guilty conscience, hamper, handicap, homage, impeachability, impeachableness, impediment, impedimenta, imperative, implication, imposition, imputation, incontrovertible evidence, inconvenience, inculpation, indictability, indictableness, indisputable evidence, involvement, ironclad proof, line of duty, load, loyalty, lumber, mark of Cain, millstone, mission, must, obligation, odium, onus
probandi, ought, pack, peccancy, penalty, pillorying, place, point champain, proof, red-handedness, reflection, reprehensibility, reprimand, reproach, reproachableness, reprovability, reprovableness, respect, self-imposed duty, settlement, slur, smear, smirch, smudge, smutch, spot, stain, stigma, stigmatism, stigmatization, sure sign, taint, tarnish, task, tax, trouble, unmistakable sign, weight, white elephant
hindrance, prevention, preclusion, obstruction, stoppage, embolus, embolism, infarct, interruption, interception, interclusion, hindrance, impedition, retardment, retardation, embarrassment, oppilation, coarctation, stricture, restriction, restraint, inhibition, blockade, interference, interposition, obtrusion, discouragement, discountenance, impediment, let, obstacle, obstruction, knot, knag, check, hitch, contretemps, screw loose, grit in the oil, bar, stile, barrier, turnstile, turnpike, gate, portcullis, beaver dam, trocha, barricade, wall, dead wall, sea wall, levee breakwater, groyne, bulkhead, block, buffer, stopper, boom, dam, weir, burrock, drawback, objection, stumbling-block, stumbling-stone, lion in the path, snag, snags and sawyers, encumbrance, incumbrance, clog, skid, shoe, spoke, drag, drag chain, drag weight, stay, stop, preventive, prophylactic, load, burden, fardel, onus
, millstone round one's neck, impedimenta, dead weight, lumber, pack, nightmare, Ephialtes, incubus, old man of the sea, remora, difficulty, insuperable, obstacle, estoppel, ill wind, head wind, trammel, tether, hold back, counterpoise, damper, wet blanket, hinderer, marplot, killjoy, party pooper, party crasher, interloper, trail of a red herring, opponent, hindering, obstructive, obstruent, impeditive, impedient, intercipient, prophylactic, impedimentary, in the way of, unfavorable, onerous, burdensome, cumbrous, cumbersome, obtrusive, hindered, windbound, waterlogged, heavy laden, hard pressed, unassisted &c (assist), single-handed, alone, deserted, occurrent nubes.
duty, what ought to be done, moral obligation, accountableness, liability, onus
, responsibility, bounden duty, imperative duty, call, call of duty, accountability, allegiance, fealty, tie engagement, part, function, calling, morality, morals, decalogue, case of conscience, conscientiousness, conscience, inward monitor, still small voice within, sense of duty, tender conscience, superego, the hell within, dueness, propriety, fitness, seemliness, amenability, decorum, to prepon, the thing, the proper thing, the right thing to do, the proper thing to do, ethics, ethology, deontology, aretology, moral philosophy, ethical philosophy, casuistry, polity, observance, fulfillment, discharge, performance, acquittal, satisfaction, redemption, good behavior, obligatory, binding, imperative, peremptory, stringent, behooving, incumbent on, chargeable on, under obligation, obliged by, bound by, tied by, saddled with, due to, beholden to, bound to, indebted to, tied down, compromised, in duty bound, amenable, liable, accountable, responsible, answerable, right, meet, moral, ethical, casuistical, conscientious, ethological, with a safe conscience, as in duty, bound, on one's own responsibility, at one's own risk, suo periculo, in foro conscientiae, quamdiu se bene gesserit, dura lex sed lex, dulce et decorum est pro patria mori, honos habet onus
, leve fit quod bene fertur onus
, loyaute m'oblige, simple duty bath no place for fear, stern daughter of the voice of God, there is a higher law than the Constitution.