1.?pinnacle, [singular]?the most?successful,?powerful,?exciting?etc part of something
e.g. *pinnacle of
She had?reached the pinnacle?of her political career.
*at the pinnacle of something
2.?encapsulate=
*1?to?express?or show something in a short way?SYN?sum up?
The words of the song neatly encapsulate the mood of the country at that time.
encapsulate something in something?Her whole philosophy can be encapsulated in this one sentence.
*2?to completely cover something with something else, especially in order to?prevent?a?substance?getting out encapsulate something in something?The leaking fuel rods will be encapsulated in lead.—encapsulation
3. debilitate?
*1 to make someone ill and weak?
He was debilitated by his illness.
*2 to make an organization or system less effective or powerful?
The state is debilitated by inefficiency and corruption.
—debilitating. adj:? debilitating disease
