Meaning & use
optimized or optimised
Last updated
Meaning
phrasefixed phrase
A phrase used to show the two accepted spellings of the past tense of optimize: American optimized and British optimised.
Grammar: Written with 'or' between the two spellings to present them as alternatives.
In American English, write 'optimized'; in British English, write 'optimised'.
The search results for 'optimized or optimised' show both spellings are common.
Choose 'optimized' for US readers and 'optimised' for UK readers.
Common combinations
- optimized for
- The website is optimized for mobile phones.
- optimized performance
- The new engine gives optimized performance.
- highly optimized
- The code is highly optimized and runs fast.
Synonyms and how they differ
- improved
- Use 'improved' when something has become better in a general way; 'optimized' suggests it has been made as good or efficient as possible.
Word family
- optimize verb
- To make something as good or effective as possible.
- optimization noun
- The process of making something as good or effective as possible.
Practice
Which sentence uses the correct spelling for a British audience?
Choose one answer.
British English uses 'optimised' with an 's'. 'Optimized' is the American spelling, and the other options are misspellings.
Make it your own
Write a sentence using “optimized or optimised”, then check it and compare it with the examples above.