by Meaning in Cambridge American English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of "by" - American English Dictionary

See all translations

bypreposition

 us   /bɑɪ/

by preposition (CAUSE)

used to show the person or thing that causes something to happen or to exist: The car was driven by a short, bald man. I’m reading some short stories by Chekhov. I took her umbrella by mistake.

by preposition (METHOD)

used to show how something is done: They thought about flying to Boston but decided to go by car. She did the repair work by herself (= without help). Do you want to be paid in cash or by check? He learned English by listening to the radio.

by preposition (ACCORDING TO)

according to: By my watch, it’s 2 o’clock. The students were listed by name.

by preposition (NOT LATER THAN)

not later than; at or before: She promised to be back by 10 p.m.

by preposition (MEASUREMENT)

used to show measurements or amounts: Their wages increased by 12%. The room measures 15 feet by 20 feet.

by preposition (DURING)

during: We traveled by night and rested by day.

bypreposition, adverb [not gradable]

 us   /bɑɪ/

by preposition, adverb [not gradable] (NEAR)

near, beside, or (in distance or time) past: A small child stood quietly by her side. Claire waved as she drove by. As time went by, she became more attached to him.
(Definition of by from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of by?
Add Cambridge dictionaries to your browser to your website

Definitions of “by” in other dictionaries

Word of the Day
like

to enjoy or approve of something or someone

Word of the Day

July 4th, Bastille Day, and the language of revolution.
July 4th, Bastille Day, and the language of revolution.
by Liz Walter,
July 01, 2015
With America’s Independence Day on the 4th and France’s Bastille Day on the 14th, July certainly has a revolutionary theme, so this blog looks at words and phrases we use to talk about the dramatic and nation-changing events that these days celebrate. In particular, it focuses on one of the most important

Read More 

burger noun
burger noun
June 29, 2015
a menu on a computer screen comprising three short parallel horizontal lines which the user clicks to see options Definitely use a burger. You could put the settings in the burger menu too. Fix the settings to the bottom of the burger menu and use a vertically scrolling contact list that scrolls behind

Read More