What is the adjective form of the word 'Apex'?

• Apex (noun)
- এর adjective form হচ্ছে - Apical (of, relating to, or situated at an ape.

English Meaning: The top or highest part of something. 
Bangla Meaning: উচ্চতম বিন্দু; শীর্ষবিন্দু: the apex of a triangle; the apex of one’s career/fortunes.

Synonyms: Pinnacle (সূচাগ্র,), Peak (সর্বোচ্চ), Highest (শীর্ষ), Maximum, Top(চূড়া)। 
Antonyms: Base(ভিত্তি), Nadir(সর্বনিম্ন), Bottom (তলা), Minimum(সামান্যতম), Lowest (সর্বনিম্ন)

Other Forms:
Apical (adjective)

Example Sentence: 
1. At 37, she'd reached the apex of her career.
2. She reached the apex of fame, only to find it wasn't what she expected.

Source: Lecture.