tiff[noun]Synonyms: quarrel, altercation, bickering, dispute, falling-out, miff, rhubarb, run-in, spat, squabble
[verb]Synonyms: quarrel, bicker, brabble, caterwaul, fall out, row, scrap, spat, squabble, wrangle 
English Thesaurus: argument, row, disagreement, quarrel, feud, ... [TahlilGaran] English Synonym Dictionary ▲
 argument a situation in which people speak angrily to each other because they disagree about something: 
 an argument between two drivers over who had right of way
 an argument between two drivers over who had right of way  A 29-year-old man was shot and killed today after an argument over a gambling debt.row British English
 A 29-year-old man was shot and killed today after an argument over a gambling debt.row British English, 
fight especially American English a loud angry argument with someone, especially your boyfriend, girlfriend, or someone in your family. 
Row is also used about a serious disagreement between politicians about important public issues: 
 There were always fights between my parents.
 There were always fights between my parents.  the continuing row over tax increases
 the continuing row over tax increases  A few months ago they had a big row, and Steve drove off and spent the weekend in London.disagreement
 A few months ago they had a big row, and Steve drove off and spent the weekend in London.disagreement a situation in which people disagree with each other, but without shouting or getting angry: 
 There were the occasional disagreements about money, but mostly we got on well.
 There were the occasional disagreements about money, but mostly we got on well.  Ginny had left the company after a disagreement with her boss.quarrel especially British English
 Ginny had left the company after a disagreement with her boss.quarrel especially British English an argument, especially one in which people get angry and that lasts a long time. 
Quarrel sounds more formal and more serious than 
argument or 
row: 
 a bitter family quarrelfeud
 a bitter family quarrelfeud /fjuːd/ a very bitter argument between two groups, especially families, which lasts for many years and causes people to hate each other: 
 The feud between the Hatfields and the McCoys raged for 20 years.dispute
 The feud between the Hatfields and the McCoys raged for 20 years.dispute a public or legal argument about something, especially one which continues for a long time: 
 Morris has been involved in a long legal dispute with his publisher.
 Morris has been involved in a long legal dispute with his publisher.  The settlement will resolve a long-running dispute over the country’s nuclear program.war/battle of words
 The settlement will resolve a long-running dispute over the country’s nuclear program.war/battle of words an argument in which two people or groups criticize each other continuously in public: 
 The war of words over construction delays at the airport has erupted again.bust-up British English informal
 The war of words over construction delays at the airport has erupted again.bust-up British English informal a very bad argument, especially one in which people decide to separate from each other: 
 He had a bust-up with the team manager.shouting match
 He had a bust-up with the team manager.shouting match an angry argument in which people shout at each other: 
 He got into a shouting match with another driver.slanging match British English informal
 He got into a shouting match with another driver.slanging match British English informal an argument in which people insult each other: 
 He was sacked after a slanging match with a colleague.squabble
 He was sacked after a slanging match with a colleague.squabble /ˈskwɒb
əl $ ˈskwɑː-/ an argument about something that is not important: 
 There were the usual squabbles between brothers and sisters.
 There were the usual squabbles between brothers and sisters.  Voters are tired of petty squabbles between party leaders.tiff informal
 Voters are tired of petty squabbles between party leaders.tiff informal an argument that is not very serious, between people who are in love: 
 Gary had a bit of a tiff with his girlfriend.misunderstanding
 Gary had a bit of a tiff with his girlfriend.misunderstanding a slight argument – a rather formal word which is often used humorously: 
 There was a slight misunderstanding over the bill, but everything’s been sorted out now.skirmish
 There was a slight misunderstanding over the bill, but everything’s been sorted out now.skirmish a short argument, especially between politicians or sports opponents: 
 Evans and O'Brien had several political skirmishes.
 Evans and O'Brien had several political skirmishes. [TahlilGaran] English Thesaurus ▲