Idioms

Origin of by

1
before 900; Middle English; Old English bī; cognate with Dutch bij, Old High German (German bei), Gothic bi. See be-

Synonym study

11. By, through, with indicate agency or means of getting something done or accomplished. By is regularly used to denote the agent (person or force) in passive constructions: It is done by many; destroyed by fire. It also indicates means: Send it by airmail. With denotes the instrument (usually consciously) employed by an agent: He cut it with the scissors. Through designates particularly immediate agency or instrumentality or reason or motive: through outside aid; to yield through fear; wounded through carelessness.

Definition for by (2 of 4)

by

2

or bye

[ bahy ]
/ baɪ /

interjection

goodbye: By now, come again sometime!

Origin of by

2
by shortening

Definition for by (3 of 4)

bye

2

or by

[ bahy ]
/ baɪ /

interjection


Definition for by (4 of 4)

by-

a combining form of by1: by-product; bystander; byway.

Also bye-.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for by (1 of 5)

by

1
/ (baɪ) /

preposition


adverb

noun plural byes

a variant spelling of bye 1

Word Origin for by

Old English bī; related to Gothic bi, Old High German , Sanskrit abhi to, towards

British Dictionary definitions for by (2 of 5)

by

2

the internet domain name for

Belarus

British Dictionary definitions for by (3 of 5)

by-

bye-

prefix

nearbystander
secondary or incidentalby-effect; by-election; by-path; by-product

Word Origin for by-

from by

British Dictionary definitions for by (4 of 5)

bye

1
/ (baɪ) /

noun

sport the situation in which a player or team in an eliminatory contest wins a preliminary round by virtue of having no opponent
golf one or more holes of a stipulated course that are left unplayed after the match has been decided
cricket a run scored off a ball not struck by the batsman: allotted to the team as an extra and not to the individual batsmanSee also leg bye
something incidental or secondary
by the bye incidentally; by the way: used as a sentence connector

Word Origin for bye

C16: a variant of by

British Dictionary definitions for by (5 of 5)

bye

2

bye-bye

sentence substitute

British informal goodbye

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