noun
plural peaks
[count] the pointed top of a mountain
a tall mountain with a pointed or narrow top
see color picture
something that looks like a pointed top of a mountain
the highest level or degree of excellence, quantity, activity, etc.
chiefly Brit :the front part of a cap or hat that shades the eyes :visor
adjective
always used before a noun
at the highest point or level
filled with the most activity
verb
peaks; peaked; peaking
[no obj] :to reach the highest level