VocabDictionary

clock on

/klɒk ɒn/intermediate Level

English Meaning & Definitions

1.verb

To register or record the exact time of one's arrival at work, typically using an electronic card, badge, or time clock.

Example Sentences:
  • Make sure you clock on as soon as you enter the building.
  • He forgot to clock on this morning, which caused an issue with his payroll.
2.verb

To suddenly realize, understand, or become aware of a fact or situation.

Example Sentences:
  • It took her a few minutes to clock on to what they were joking about.
  • As soon as the police arrived, the suspect finally clocked on that he was trapped.
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English Synonyms & Near Equivalents

English Antonyms & Opposites

Comprehensive Thesaurus Breakdown

Compare formal, informal, literary synonyms and register nuances for “clock on”.

Thesaurus Entry
Cultural Origin & Etymology

Derived from the mechanical 'time clock' or 'punch clock' introduced in the late 19th century (invented by Willard Le Grand Bundy in 1888), where employees would insert a cardboard card into a machine to stamp the exact time they arrived at work. The phrasal verb combines 'clock' (recording time on a device) with 'on' (indicating the start of an activity or shift).

Memory Aid & Mnemonic

Picture yourself tapping your watch ('clock') to start ('on') your workday.

Frequently Asked Questions About “clock on

1. What is the meaning of “clock on” in English?

In English, clock on (verb) is defined as: “To register or record the exact time of one's arrival at work, typically using an electronic card, badge, or time clock.”.

2. How do you use “clock on” in a sentence?

Make sure you clock on as soon as you enter the building.

3. What are English synonyms of “clock on”?

Common synonyms include:clock in,punch in,sign in,catch on,realize

4. What is the etymology and word origin of “clock on”?

Derived from the mechanical 'time clock' or 'punch clock' introduced in the late 19th century (invented by Willard Le Grand Bundy in 1888), where employees would insert a cardboard card into a machine to stamp the exact time they arrived at work. The phrasal verb combines 'clock' (recording time on a device) with 'on' (indicating the start of an activity or shift).