Definition of "to"

to¹

particle
1. A particle used for marking the following verb as an infinitive.
  Quotations
  To err, is human; to forgive, divine.
  1709, [Alexander Pope], An Essay on Criticism, London: […] W. Lewis […], published 1711
  To be, or not to be: that is the question: / […]
  c. 1599–1602 (date written), William Shakespeare, “The Tragedie of Hamlet, Prince of Denmarke”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act III, scene i]
  Odds are, BP to get new CEO this year
  2010 July, “Archived copy”, in Associated Press‎, archived from the original on 5 July 2010, headline
  To that end, the home supporters were in good voice to begin with, but it was Newcastle who started the game in the ascendancy, with Barton putting a diving header over the top from Jose Enrique's cross.
  2011 April 10, Alistair Magowan, “Aston Villa 1 - 0 Newcastle”, in BBC Sport‎
2. As above, with the verb implied.
3. Used to indicate an obligation on the part of, or a directive given to, the subject.
4. (expressing purpose) In order to.
preposition
1. Indicating destination: In the direction of, so as to arrive at.
  Quotations
  Driven by a perceived political need to adopt a hard-line stance, Mr. Cameron’s coalition government has imposed myriad new restrictions, the aim of which is to reduce net migration to Britain to below 100,000.
  2013 September 28, Kenan Malik, “London Is Special, but Not That Special”, in New York Times, retrieved 28 September 2013
2. Used to indicate the target or recipient of an action.
3. Used to indicate result of action.
4. Used to indicate a resulting feeling or emotion.
5. Used after an adjective to indicate its application.
6. Denotes the end of a range.
7. (obsolete) As a.
8. Used to indicate a ratio or comparison; compared to, as against.
  Quotations
  The hoſt of Xerxes, which by fame is ſaidTo drinke the mightie Parthian Araris,Was but a handfull to that we will haue.
  c. 1587–1588, [Christopher Marlowe], Tamburlaine the Great. […] The First Part […], 2nd edition, part 1, London: […] [R. Robinson for] Richard Iones, […], published 1592; reprinted as Tamburlaine the Great (A Scolar Press Facsimile), Menston, Yorkshire, London: Scolar Press, 1973, Act II, scene iii
  In total, the Reds had 28 shots to their opponent's nine, and 15 corners to the Baggies' three.
  2012 April 22, Sam Sheringham, “Liverpool 0-1 West Brom”, in BBC Sport‎
9. (arithmetic) Used to indicate that the preceding term is to be raised to the power of the following value; indicates exponentiation.
10. (time) Preceding the next hour.
  1. (informal) Often used without the hour
11. Used to describe what something consists of or contains.
12. According to.
13. (Canada, Cornwall (UK), Newfoundland, Wales, West Midlands (UK)) At.
adverb
not comparable
1. (regionalism) Toward a closed, touching or engaging position.
  Quotations
  He went in his room, pushed the door to, without fastening the latch.
  1913, D[avid] H[erbert] Lawrence, “chapter 12”, in Sons and Lovers, London: Duckworth & Co. […]
2. (nautical) Into the wind.
3. Misspelling of too.

to²

/t̪oː/

particle
1. (mild intensifier, colloquial, chiefly North India) a filler word common amongst urban indians.

Definition of "to"

to1

particle

Quotations

preposition

Quotations

Quotations

adverb

Quotations

to2

particle

to¹

to²