頂点
Common
Noun
1
noun (common) (futsuumeishi)
geometry
vertex;apex
2
noun (common) (futsuumeishi)
top (e.g. of a mountain);summit;peak
3
noun (common) (futsuumeishi)
top (of a profession, field, etc.);summit
4
noun (common) (futsuumeishi)
peak (of popularity, a boom, etc.);height (e.g. of prosperity);apex;zenith;climax
経済は今景気循環の頂点にある。
The economy is at peak of a business cycle at present.