Whose vs Their - What's the difference?

whose | their |

As a pronoun whose

is of whom, belonging to whom; (used as an interrogative pronoun).

As a determiner their is





(English Pronouns)
  • Of whom, belonging to whom; (used as an interrogative pronoun).
  • Of whom, belonging to whom; (used as a relative pronoun).
  • (=This man's dog caused the accident.)
  • * {{quote-book, year=1922, author=(Ben Travers)
  • , chapter=5, title= A Cuckoo in the Nest , passage=The most rapid and most seductive transition in all human nature is that which attends the palliation of a ravenous appetite.
  • Of which, belonging to which; (used as a relative pronoun).
  • (=The roofs are falling off several houses we saw.)




  • * {{quote-news, year=2012, date=May 5, author=Phil McNulty, work=BBC Sport
  • , title= Chelsea 2-1 Liverpool , passage=For Liverpool, their season will now be regarded as a relative disappointment after failure to add the FA Cup to the Carling Cup and not mounting a challenge to reach the Champions League places.}}
  • * {{quote-magazine, date=2013-07-20, volume=408, issue=8845, magazine=(The Economist)
  • , title= The attack of the MOOCs , passage=Since the launch early last year of […] two Silicon Valley start-ups offering free education through MOOCs, massive open online courses, the ivory towers of academia have been shaken to their foundations. University brands built in some cases over centuries have been forced to contemplate the possibility that information technology will rapidly make their existing business model obsolete.}}
  • * 1594 , Shakespeare, William, The Comedy of Errors , act IV, scene 3, line 1172:
  • There's not a man I meet but doth salute me
    As if I were their well-acquainted friend
  • *
  • * {{quote-book
  • , year = 2007 , first = J. K. , last = Rowling , authorlink = J. K. Rowling , title = (Harry Potter and the Deathly Hallows) , location = (quoted edition: London , publisher=Bloomsbury, 2008 , isbn = 978 0 7475 9586 1 , page = 93) , passage = ‘I mean ... if somebody made a mistake,’ Harry went on, ‘and let something slip, I know they didn’t mean to do it. It’s not their fault,’ he repeated, again a little louder than he would usually have spoken. }}
  • *
  • Usage notes

    * Regarding the use of singular their , see they . * Distinguish “their'” from “there” and “they’re”. “'''Their ” signifies ownership. “There” designates a place (compare ''here ). “They’re” means “they are”. * This word is an exception of the "I before E, except after C" rule, as the combination of "ei" in the middle of the word is not after a "c".