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The difference between "pressured" and "pressurised"

English Language & Usage Asked by user2025161 on July 8, 2021

I often hear people talk of being pressurised into
doing something, but I’m almost certain this is incorrect. A can of
deodorant is pressurised, or a tin of beer, since in both cases the release of pressure yields a delicious bubbly beverage (in the former) or a pleasant smelling, easily applied spray to eliminate underarm smells (in the latter).

If one feels a degree of pressure to do something, does that not mean
that one feels pressured into doing it, as opposed to feeling pressurised?

The term pressurised seems to me to be of North American origin (I refuse to use a z instead of an s). This seems reason enough not to use it, given that American English is a different language to British English, however I see it time and again in British English language media.

There seems to be little in the way of consensus on other parts of the internet so I thought I might ask here.

4 Answers

The full OED says pressure as a verb is originally a N. American usage, which they define as...

To apply pressure to, esp. to coerce or persuade by applying psychological or moral pressure.

The more "standard" form pressurize/pressurise, which can also be used with that specific figurative sense, is more likely when it's a straightforward literal usage relating to actual gas pressure (atmospheric, etc.).


It's worth noting that there are only 9 instances of "Don't pressurize me!" (AmE spelling) in Google Books, compared to 54 instances of the BrE version "Don't pressurise me!" (these numbers have to be considered in the context of an estimated 2,670 results for "Don't pressure me!").

Correct answer by FumbleFingers on July 8, 2021

As a scientist I must say that I find the figurative use of "pressurised" (in whatever spelling) confusing, as that term has a very specific literal meaning in science: to place a substance or object under elevated levels of actual pressure (e.g., "to pressurise a container to 1000 bar" - while you could never say "to pressure a container to 1000 bar"). For the figurative use I would therefore always prefer "pressure" or "pressed" and reserve "pressurise" for the technical use in science.

Answered by Pete on July 8, 2021

I am (almost) certain no one uses pressurize in the US or Canada in this way unless maybe they are originally from the UK. As a Canadian who lives on the border and watches both Canadian and US media all the time I have never in my 50 years heard talk of pressurizing people except on Corrie.

Answered by Michelle on July 8, 2021

I have heard the term pressurized in British English. I do feel that it is on several occasions been used out of context. I believe that if you are pressured into doing something or not, that it is quite different then a can of pressurized air. With that said, it all comes down to your education throughout the world.

Answered by DJBA on July 8, 2021

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