だいたいの人はその話を知っている。
Most people know that story.
The work is mostly finished.
noun which may take the genitive case particle 'no'
Attributive use with の, meaning 'general' or 'rough', as in 大体の計画 (rough plan).
Please tell me the approximate budget.
Noun use for the essential content or summary of something. Often used in phrases like 大体をつかむ (grasp the gist).
I understood the gist of the story.
in the first place; to begin with; from the start
Adverbial use expressing that something is fundamentally the case or should have been obvious from the beginning. Often carries a tone of mild exasperation or emphasis.
In the first place, such a plan couldn't possibly work.
There were roughly about 50 participants.
We already have a rough plan set up.
I was able to grasp the gist of the story.
In the first place, the problem is that you were late.
大体 is the everyday, spoken-language word for 'roughly/mostly', while 概ね is a bit more formal and common in writing or business contexts.
だいたい is a casual way to say 'roughly/mostly' and can also mean 'for the most part', while およそ is a bit more neutral and often precedes a specific figure.
大体 means 'roughly, mostly' and often refers to approximate amounts or degrees, while 総じて sums up an overall tendency after considering various points.
大体 means 'roughly, approximately' and is used for rough estimates, while 主に points specifically to the main component or focus.
大体 means 'roughly' or 'in general' for approximations, while 半ば in this sense specifically conveys 'almost entirely', as in 半ば強制的に.