ˈbī 
before consonants also bə
1
: in proximity to : near
standing by the window
2
a
: into the vicinity of and beyond : past
went right by him
b
: through or through the medium (see medium entry 1 sense 2) of : via
enter by the door
c
: in the direction of : toward
sailed north by east
3
a
: during the course of
studied by night
b
: not later than
be there by 2 p.m.
4
a
: through the agency (see agency sense 3) or instrumentality of
a poem written by Keats
death by firing squad
taken by force
happened by luck
b
: born or begot of
had two sons by his first wife
one child by her second husband
c
: sired or borne by
having foals by champion race horses
5
: with the witness or sanction (see sanction entry 1 sense 4c) of
swear by all that is holy
6
a
: in conformity with
acted by the rules
b
: according to
called her by name
sold by the pound
7
—used as a function word in multiplication, in division, and in measurements
divide a by b
multiply 10 by 4
a room 15 feet by 20 feet
8
a
: with respect to
a lawyer by profession
b
: on behalf of
did right by his children
9
: in or to the amount or extent of
win by a nose
b
chiefly Scotland
: in comparison with : beside
10
—used as a function word to indicate successive units or increments
little by little
walk two by two
11
: in the opinion of : from the point of view of
OK by me
variants
or bye
1
: being off the main route : side
a by passage
2
: incidental
by effects
Synonyms
Examples of by in a Sentence
Preposition
His wife was sitting by him.
They have a house by the lake.
The bus went right by him without stopping.
Some friends stopped by our house for a chat.
Why don't you come by my place later?
Adverb
The bus went right by without stopping.
We stood and applauded as the parade went by.
Why don't you come by later?
Recent Examples on the Web
Gabrielle Rockson, Peoplemag, 31 May 2024
Morales added that there was no need to rest players because the players who needed rest (Messi, Suarez, Busquets) got it by not playing at Vancouver and there will be time to rest during the FIFA break next week.
—Michelle Kaufman, Miami Herald, 31 May 2024
See all Example Sentences for by 
Preposition
Lively’s daughters were also in attendance on Wednesday, which Swift acknowledged by giving them a shout out from the stage.
—Gabrielle Rockson, Peoplemag, 31 May 2024
Morales added that there was no need to rest players because the players who needed rest (Messi, Suarez, Busquets) got it by not playing at Vancouver and there will be time to rest during the FIFA break next week.
—Michelle Kaufman, Miami Herald, 31 May 2024
See all Example Sentences for by
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'by.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“By.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/by. Accessed 3 Jun. 2024.
Copy CitationKids Definition
by
1 of 3 preposition
(ˈ)bī
especially before consonants bə
1
: close to : near
by the sea
2
a
: so as to go along or through
by a different route
enter by the door
b
: past entry 2 sense 2
went right by them
4
: through the means or agency of
by force
5
: according to sense 1
by the rules
called by a different name
6
: with respect to
a doctor by profession
7
: to or in the amount or length of
win by a nose
sold by the pound
8
: in a series of
walk two by two
9
—used as a function word in multiplication and division and in measurements
divide 6 by 2
a room 15 feet by 20 feet
10
: in the opinion of
it's fine by me
by
2 of 3 adverb1
a
: close at hand : near
standing by
b
: at or to another's home
stop by for a chat
2
: past entry 4
cars went by
3
: aside entry 1 sense 2
putting some money by
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