a total failure to reach agreement or to settle a quarrel

stalemate, impasse

a situation in which one has to choose between two things, two courses of action etc

crisis

to share expenses

predicament

something that lessens the value, beauty or perfection of a thing

imperfection

a person or thing that hinders

obstruction, difficulty

a position from which no progress is possible

stalemate

a physical defect, especially in speech, e.g. a stammer; something that hinders

obstruction, hindrance

something that stops progress or makes it difficult

impediment, barrier

statement that seems to say something opposite to common sense or the truth but that may be true, e.g. 'More haste, less speed', i.e. if you hurry too much, you may find you take longer

contradiction, puzzle

an unpleasant situation from which escape seems difficult

difficult situation

to be in a state of doubt or confusion

delicate situation

a hidden, unknown or unexpected difficulty

complication in situation

(of chess) a position of the pieces from which no further move is possible; any stage of a dispute at which further action by either side seem to be impossible

deadlock