superinformal
These antiques are both beautiful and extremely valuable.
You'd need an extremely powerful microscope to see something so small.看这么小的东西你需要超高倍显微镜。
Looking after the kids is extremely tiring.照看小孩非常累人。
The watch mechanism is extremely intricate and very difficult to repair.手表的机械结构非常复杂精细，很难修理。
His diaries show him to have been an extremely insecure person.他的日记表明他一直是一个极不自信的人。

SMART Vocabulary: related words and phrases

Linguistics: very & extreme
abjectly
absolutely
abundantly
abundantly clear
beyond
biblical
downright
extraordinarily
imagine
infinitely
particularly
richly
stupefyingly
super
super-duper
super-spectacular
superabundantly
totally
violently
whatever

extremely | American Dictionary

extremely
adverb
us/ɪkˈstrim·li/
very:
She was extremely intelligent.

Examples of extremely

extremely
In successive stages extremely long plans were formed of which probably only the newest phase(s) would have been in use.
Accepting the purely syntactic part of this extremely simple analysis, let us consider the semantics of the sentence.
Second, it must be noted that present extremely low levels of development are largely due to the failures of past centralised regimes.
Access to the services of these systems was extremely limited, often to an urban population.
Among those with a prior history of depressive symptoms, recall was extremely poor.
Nevertheless, this is a very good and accessible introduction which students and those crossing over into performance studies will find extremely useful.
Seeing as though most animals aren't even able to breed with each other, it is extremely unlikely for an alien to achieve this.
A chapter on hybrid peas seems superfluous when, as the author admits, hybrid varieties are extremely unlikely!
However, something extremely unlikely happens : those who witness the event do not wonder at it at all.
Unlike most social programs, government health insurance involves the purchase of services from a clearly defined and often extremely powerful profession.
Although fertilisation rates are extremely high (80-100%), the probability of obtaining viable embryos is very low due to the high rate of polyspermic fertilisation.
This book will be extremely useful for those doing research in old age psychiatry.
The result was the production of satisfactory and high quality works, extremely innovating and incisive in some instances.
Furthermore, and pertinent to this paragraph, they are extremely interested in supporting a multilingual presence of the site.
From the 42 responses it was extremely difficult to distinguish between a protocol and an information sheet.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.