Synonym of difficulty

complexity complicatedness intricacy adversity complication trickiness crisis deadlock dilemma frustration hardship hazard obstacle pain predicament snag struggle trouble arduousness awkwardness barricade check crux distress emergency exigency fix hindrance hitch impasse knot labor labour laboriousness mess misfortune muddle obstruction painfulness paradox perplexity pickle quagmire quandary scrape stew strain strait strenuousness tribulation dead end deep water hot water stumbling block

problem impediment hurdle

effort exertion sweat striving toil

mental burden anxiety embarrassment inconvenience misery pressure setback stress strife worry ado aggravation annoyance bafflement bother care charge depression discouragement grievance harassment imbroglio irritation jam maze millstone oppression pinch puzzle ramification responsibility to-do vicissitude weight hangup

argument controversy dispute hassle misunderstanding altercation beef bickering fight quarrel squabble falling-out

unreasonably