by

137 ENTRIES FOUND:
1 by /ˈbaɪ/ /bə/ preposition
1 by
/ˈbaɪ/ /bə/
preposition
Britannica Dictionary definition of BY
1 
: close to or next to (something or someone) : near
2 
a  : up to and beyond (something or someone) : past
b  : at or to (someone's home)
3 
a  — used following a passive verb to indicate the person or thing that does something
b  — used to indicate the thing that is used to do something
c  — used to indicate an action that is done for a particular purpose
4 
— used to indicate the person who wrote or created something
5 
a  — used to indicate the method used to go somewhere, send something, etc.
b  — used to indicate the method used to enter or leave a place
6 
a  — used to indicate the name that is used for someone or something
b  — used to indicate how someone is spoken to, identified, etc.
c  — used to introduce the name of someone or something important as proof that you are speaking the truth
— often used in phrases like by God to add emphasis
d  : when using (a specified word or phrase)
7 
— used to indicate the part of something or of a person's body that is held, grasped, etc.
8 
a  : during the time of (day or night)
b  — used to indicate the kind of light that occurs or is used when something is being looked at, read, etc.
9 
a  : not later than (a specified time) : at, in, on, or before (a specified time)
b  : during the time until (a specified time)
10 
a  : in a way that agrees with or follows (something, such as a rule)
b  : in a way that is based on (something)
c  : according to (something)
11 
a  — used to indicate units of measurement or quantity
b  — used to indicate the number that multiplies or divides another number
c  — used to indicate the numbers of a measurement
12 
— used to indicate an amount, length, etc.
13 
— used to indicate someone's job, origin, character, etc.
14 
a  — used in phrases to describe the speed at which something happens or changes
b  — used in phrases to describe how a series of people or things proceed or are dealt with
15 
informal : in the opinion of (someone)
16 
somewhat formal
a  : on behalf of (someone)
b  — used to indicate the husband or wife who is the parent of someone's child

by the by

old-fashioned or by the bye
— used to introduce a statement that provides added information or that mentions another subject

by yourself

: without others : alone
2 by /ˈbaɪ/ adverb
2 by
/ˈbaɪ/
adverb
Britannica Dictionary definition of BY
1 
: 4past
2 
— used with put to describe something that is being kept or saved for a future use
3 
: at or to someone's home
4 
: close or near

by and by

literary + old-fashioned
: before too long : eventually

by and large

1 
: in a general way : in general
2 
: in most cases : in general