Quiz: Remember the definition of mal de mer?


[in-too; unstressed in-too, -tuh] /ˈɪn tu; unstressed ˈɪn tʊ, -tə/
to the inside of; in toward:
He walked into the room. The train chugged into the station.
toward or in the direction of:
going into town.
to a point of contact with; against:
backed into a parked car.
(used to indicate insertion or immersion in):
plugged into the socket.
(used to indicate entry, inclusion, or introduction in a place or condition):
received into the church.
to the state, condition, or form assumed or brought about:
went into shock; lapsed into disrepair; translated into another language.
to the occupation, action, possession, circumstance, or acceptance of:
went into banking; coerced into complying.
(used to indicate a continuing extent in time or space):
lasted into the night; far into the distance.
(used to indicate the number to be divided by another number):
2 into 20 equals 10.
Informal. interested or absorbed in, especially obsessively:
She's into yoga and gardening.
Slang. in debt to:
I'm into him for ten dollars.
Mathematics. pertaining to a function or map from one set to another set, the range of which is a proper subset of the second set, as the function f, from the set of all integers into the set of all perfect squares where f (x) = x 2 for every integer.
before 1000; Middle English, Old English; see in, to Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for in to
  • How wonderful the thought of being able to go in to an establishment and be able to hear the sounds from the local musicians.
  • They threw food at her and never went in to clean the cage because they were afraid of her.
  • It may have only one or two sacral attachments or be inserted in to the capsule of the hip-joint.
  • If you are unable to log in to your account, please contact us.
  • At eleven-thirty, our late crowd arrives-mostly the opera talent coming in to unwind after the performance.
  • Both of them carry on or listen in to imaginary dialogues with people in their lives.
  • Then there's the beer crowd who'll rush in to get on this or that before it's gone.
  • Register or sign in to compare how you did with others.
  • Several people to wrote in to correct or clarify that comment.
  • On a second test day, the authors had both groups come back in to smell a new set of shirts.
British Dictionary definitions for in to


/ˈɪntuː; unstressed ˈɪntə/
to the interior or inner parts of: to look into a case
to the middle or midst of so as to be surrounded by: into the water, into the bushes
against; up against: he drove into a wall
used to indicate the result of a transformation or change: he changed into a monster
(maths) used to indicate a dividend: three into six is two
(informal) interested or enthusiastically involved in: I'm really into Freud these days
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for in to



Old English into, originally in to. The word is a late Old English development to replace the fading dative case inflections that formerly distinguished, for instance, "in the house" from "into the house." To be into something, "be intensely involved in," first recorded 1969 in American English.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for in to

in the sack

adverb phrase

Doing the sex act; making love: Like Kirkland's book, Tharp's even includes a discussion of what Baryshnikov is like in the sack (1960s+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Idioms and Phrases with in to
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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