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Definition of runtime

runtime

/ˈɹʌn.taɪm/
run · time
Plural:runtimes
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runtime Lexical Profile

runtime Game Scores & Validity

• noun

1

The period of time during which a computer program is executing, or the total duration required for it to complete.

Example

"By optimizing the sorting algorithm, the engineer reduced the program's total runtime by half."

2

The total duration or playing time of a film, television episode, or audio recording.

Example

"With a runtime of over three hours, the historical epic requires an intermission."

3

A software environment or library required to execute a compiled computer program.

Example

"You must install the latest Java runtime on your computer before launching the application."

Synonyms
View all synonyms for runtime

• adjective

1

Relating to or occurring during the execution of a computer program.

Example

"The developer spent hours debugging a stubborn runtime error that crashed the application."

• Rhymes for runtime

• Nearby Words

runoff
runt
runthrough
runtime
runty
runup
runway

Cite this Entry

Wordmom. (2026). Definition of Runtime. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/runtime
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