to attach or close something securely, to make something happen more quickly

fasten on/upon something, fasten your eyes/gaze on something, fasten your seatbelt

Formal and Informal Expressions of fasten

In different contexts, you can replace 'fasten' with suitable alternatives. In a more formal setting, 'attach, secure' is apt. In informal speech or writing, 'hook up, tie down' is a commonplace synonym.

fasten: Explore its Definition & Usage

fasten Definition

1to attach or close something securely
2to make something happen more quickly

Using fasten: Examples

Take a moment to familiarize yourself with how "fasten" can be used in various situations through the following examples!

Example
Fasten your seatbelts before takeoff.
Example
She fastened the necklace around her neck.
Example
He fastened the door shut with a padlock.
Example
The company is trying to fasten the production process.

fasten Synonyms and Antonyms

Synonyms for fasten

Antonyms for fasten

Phrases with fasten

fasten on/upon something
to focus on or pay attention to something
Example
The media has fastened on the scandal, making it front-page news.
fasten your eyes/gaze on something
to look at something intently or fixedly
Example
She fastened her eyes on the painting, trying to discern its details.
fasten your seatbelt
a warning to passengers in a vehicle to buckle up their seatbelts for safety reasons
Example
The pilot announced that we should fasten our seatbelts for landing.

Origins of fasten

from Old English 'fæstnian', meaning 'to make fast, firm'

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Summary: fasten in Brief

The verb 'fasten' [ˈfæsən] means to securely attach or close something, as in 'She fastened the necklace around her neck.' It can also mean to make something happen more quickly, as in 'The company is trying to fasten the production process.' The phrase 'fasten on/upon something' means to focus on or pay attention to something.