Definition & Meaning of "by"in English

used to indicate the person or entity performing an action

used to introduce the term that is being explained or defined

used to indicate the name or title by which someone is called or known

used to refer to the parent, other than the one speaking

used to refer to the father of a particular animal, especially in terms of breeding

used in expressions showing how something occurs

used to specify the standard or unit used to evaluate or measure something

used in mathematical operations to show multiplication or division

used to indicate continuous or sequential occurrence of an action or event

used to show the basis for categorization or analysis

used to show when something must be completed or occurs

used to show the time period in which something occurs

used to show the proximity or position beside something

as judged, stated, or approved by someone or something

used to express emphasis or frustration in a mild exclamation

used to show recognition or identification based on a description or appearance

used to show the part of something that is physically handled or held

used to express someone's occupation, origin, etc.

used to indicate acting or doing something for someone else

used to indicate storing or saving something, especially for future use

at or to someone's residence or location

near in space

used to indicate a side road, path, or minor route