"extremely cross" is a perfectly acceptable phrase in written English.
You can use it to describe someone who is feeling angry and frustrated with a situation. For example: "The teacher was extremely cross when she realized the students had not done their homework."
"I was extremely cross, to put it mildly.
The ex-wife seemed to be extremely cross with him, you sort of wondered why they were married.
Up close, in unforgiving monochrome, Ayer looks impenetrable, the ageing CLR James mischievous, and Berlin extremely cross – perhaps with the camera's intrusive proximity.
A morning's work collected barely enough pollen to cover the bottom of a pot, and the captured bees have been extremely cross about their contribution to science.
It's why Lucy finds Letty at her most hilarious when she is actually extremely cross and taking herself and life very seriously.
In any case, the club says the Glazers, who are reported to be extremely cross with Goldman Sachs, have no wish to sell.Should the knights win, it is not clear how United will be run.
However, the extremely cross-linked nature and insolubility of the membrane fibres has prevented successful approaches to identifying all protein components.
Moreover, the regulation of food consumption is based on an extremely complicated, highly cross-linked network involving the brain, autonomous nervous system, gastro-intestinal tract, and adipose tissues involving a variety of neurotransmitters, hormones and peptides [30] [32].
This is often beyond the emotional capacity of the child and – as we have seen in the recent Oxford paedophile grooming gang trial – the young people were put through extremely upsetting cross examinations.
S3 has been designed to extend the capability of the facility to perform experiments with extremely low cross sections, taking advantage of the very high intensity stable beams of the superconducting linear accelerator of SPIRAL2.
To accommodate experiments with extremely low cross sections, such as studies of super-heavy nuclei, construction of the Argonne gas-filled analyzer (AGFA), which will be complementary to FMA, was proposed.
