Your English writing platform
Discover LudwigThe phrase "about a thirty" is not standard in written English and may cause confusion.
It could be used informally to refer to an approximate age or quantity, but clarity is important.
Example: "He looks about a thirty, but I’m not sure of his exact age."
Alternatives: "around thirty" or "approximately thirty".
Exact(3)
The announcement brought about a thirty per cent decline in share prices for Corrections Corp., a prison-facility-operation company.
This is a significant sum — it amounts to about a thirty per cent of the Pentagon's annual budget — but it is much lower than most people expected, myself included.
Slowly lift your arms, head, and shoulders off the floor to about a thirty degree angle.
Similar(57)
This took about a billion years.
"There's about a million entries.
"It's about a billion a month".
Short story about a thirty-nine year old woman photographer who writes to an estranged friend in Manhattan to warn her about a German optician whom she suspects is a former Nazi.
The New Yorker, May 29 , 1989P. 34 Short story about a thirty-nine year old woman photographer who writes to an estranged friend in Manhattan to warn her about a German optician whom she suspects is a former Nazi.
"About a thousand," said Markku.
About a hundred schools shut.
More suggestions(1)
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com