No definitions found for 'untie the knot'
Perhaps one of these:
untdid,
unmethodical,
undyed,
united greeks,
united states trade representative,
untithed,
united states attorney general,
united states navy,
united states marshals service,
undeterminateness,
united nations office for drug control and crime prevention,
undetermined,
united nations educational scientific and cultural organization,
united states senate,
untooth,
undedicated,
untidy,
uintatheriidae,
unaided,
undetesting,
united nations crime prevention and criminal justice,
unnetted,
united states postal service,
unwithdrawing,
united kingdom of great britain and northern ireland,
united arab republic,
united states of america,
untied,
united states congress,
united arab emirates's capital,
united states customary system,
unwooded,
united states president,
united states air force academy,
united states national library of medicine,
united states army criminal investigation laboratory,
united states public health service,
united front,
united nations,
united states postal inspection service,
undid,
united states ai,
unmeted,
united nations secretariat,
united kingdom unix users group,
united brethren,
untutored,
unneeded,
united states pacific island wildlife refuges,
united states intelligence community,
united arab emirate monetary unit,
united states fish and wildlife service,
unideaed,
united states cabinet,
united church of christ,
untoothed,
united states marine corps,
united states border patrol,
unmethodized,
united,
united states government printing office,
unmated,
uintathere,
united society of believers in christ's second appearing,
united technologies research cente,
united states mint,
united states air force,
undetached,
united states marines,
untidily,
undead,
united flowers,
unthawed,
united states supreme court,
undatable,
united states department of defense,
united self-defense group of colombia,
united republic of tanzania,
united states government,
unheated,
united states military academy,
unnoted,
united states dry unit,
unweeded,
united mexican states,
united methodist church,
undetected,
undetermination,
united states,
united states department of state,
undutiful,
untded,
united states constitution,
uintatherium,
united nations day,
untether,
undutifulness,
untoothsome,
undeterred,
united states naval academy,
united states code,
undeadly,
united states waters,
united states post office,
united arab emirates,
united nations international children's emergency fund,
untitled,
united states treasury,
united states army rangers,
united states coast guard,
unheeded,
unmeditated,
united states government accounting office,
undetectable,
united mine workers of america,
united states army,
united arab emirate dirham,
united nations children's fund,
unitedly,
undeterminable,
united nations agency,
united mine workers,
untethered,
united states army special forces,
united self-defense force of colombia,
united states liquid unit,
undeadliness,
united states intelligence agency,
unwedded,
unheaded,
unedited,
united states house of representatives,
united kingdom,
untheatrical,
unitude,
untidiness,
united states civil war,
undeterminate,
united states secret service,
united states dollar,
unmediated,
undeeded,
undated,
united states virgin islands,
uintah, ut,
unduteous