Fundamental
Basic, Standard
な adjective
The things that are basics (基本) like (的) are basic and fundamental.
きほんてき
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well. Knowing how to read the word 基本 will be helpful too.
基本的に政治に関心がないんです。
Basically, I have no interest in politics.
上司に、基本的な事も知らない役立たずだと言われました。
I was told by my boss that I don't even know the fundamentals and that I'm useless.
どのくらい頻繁に自分の超基本的な間違いにびっくりしますか？
How often are you surprised by making basic mistakes?