1‘the main office’
principal, chief, head, leading, foremost, most important, major, ruling, dominant, central, focal, key, prime, master, premier, primary, first, high, grand, fundamental, supreme, predominant, pre-eminent, paramount, overriding, cardinal, crucial, vital, critical, capital, pivotal, salient, elemental, essential, staple, intrinsic, urgent
2‘they dragged him away by main force’
sheer, pure, utter, downright, mere, plain, brute, stark, absolute, out-and-out, direct
1‘the Spanish Main’
We take a look at several popular, though confusing, punctuation marks.