go by — 3 meanings

One phrase, 3 meanings. Learn them one at a time, then test yourself.

phrasal verb3 meanings

Meaning 1 · most common

time passes

  • time/period go by

to describe how time passes, especially when it seems to move quickly or slowly.

How oftenCommon
LevelB1
Used inSpeech & writing

Examples

The weekend seemed to go by so quickly.

A: Can you believe it's already Friday?
B: I know! This week just went by in a flash.

Common mistake

Not: The time goes by so fastly.

Say: Time goes by so fast.

'Fast' is already the adverb (not 'fastly'), and 'time' is usually uncountable here (no 'the').

More on “time passes”Another example · Tell it apart · Goes with · Tip

Another example

During the exam, I felt like time was going by much faster than usual.

Tell it apart

The weeks just went by.

  • time passed

I go by my middle name.

  • am known as

Goes with

  • go by
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Next meaning: be guided by

Meaning 2

be guided by

  • go by sth

to use something, such as information or rules, to make a decision or form an opinion.

How oftenCommon
LevelB2
Used inSpeech & writing

Examples

I usually go by the instructions when assembling furniture.

A: How do you decide which route to take?
B: I just go by the GPS.

Common mistake

Not: Don't go with first impressions.

Say: Don't go by first impressions.

'Go BY' = judge/decide from. 'Go with' = choose. Different verbs.

More on “be guided by”Another example · Tell it apart · Goes with · Tip

Another example

When making important decisions, I prefer to go by facts rather than opinions.

Tell it apart

Don't go by the price alone.

  • judge from it

Three weeks went by.

  • time passed

Goes with

  • go by + guide
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Next meaning: use as identity

Meaning 3

use as identity

  • go by name/alias

to be known or called by a particular name or alias, especially one that is different from your official or original name.

How oftenNow and then
LevelC1
Used inSpeech & writing

Examples

Although her full name is Alexandra, she goes by Alex at work.

A: Is 'Sam' short for something?
B: Yeah, my real name is Samantha, but I go by Sam.

Common mistake

Not: She goes by with the name Liz.

Say: She goes by Liz.

'Go by + name' directly — no 'with the name'.

More on “use as identity”Another example · Tell it apart · Goes with · Tip

Another example

In many cultures, individuals may go by a nickname or a shortened version of their name in professional or social settings.

Tell it apart

He goes by his nickname.

  • is known as

We should go by the schedule.

  • follow it

Goes with

  • go by + name
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