2
ADJ
[ADJ
n] You use
ultimate
to describe the original source or cause of something. □
3
ADJ
[ADJ
n] You use
ultimate
to describe the most important or powerful thing of a particular kind. □
4
ADJ
[ADJ
n] You use
ultimate
to describe the most extreme and unpleasant example of a particular thing. □
5
ADJ
[ADJ
n] You use
ultimate
to describe the best possible example of a particular thing. □
6
PHRASE
The ultimate in
something is the best or most advanced example of it. □ [+
final:
eventual:
last:
ul|ti|mate|ly ◆◇◇ /ʌ lt I mətli/
1
ADV
[ADV
with v, ADV
adj]
Ultimately
means finally, after a long and often complicated series of events. □
2
ADV
You use
ultimately
to indicate that what you are saying is the most important point in a discussion. □
1
finally:
eventually:
in the end:
2
fundamentally:
essentially:
basically:
primarily:
ul|ti|ma|tum
/ʌ
lt
I
me
I
təm/ (ultimatums
or ultimata
) N‑COUNT
An
ultimatum
is a warning to someone that unless they act in a particular way, action will be taken against them. □ [+
PREFIX ultra-
forms adjectives that refer to people and things that possess a quality to a very large degree.
ultra|ma|rine
/ʌ
ltrəməriː
n/ COLOUR
Ultramarine
is used to describe things that are very bright blue in colour. □
ultra|son|ic /ʌ ltrəsɒ n I k/ ADJ [usu ADJ n] Ultrasonic sounds have very high frequencies, which human beings cannot hear.
ultra|sound
/ʌ
ltrəsaʊnd/ N‑UNCOUNT
[usu N
n]
Ultrasound
is sound waves which travel at such a high frequency that they cannot be heard by humans. Ultrasound is used in medicine to get pictures of the inside of people's bodies. □
ultra|vio|let
/ʌ
ltrəva
I
ələt/ ADJ
[usu ADJ
n]
Ultraviolet
light or radiation is what causes your skin to become darker in colour after you have been in sunlight. In large amounts ultraviolet light is harmful. □