Closely

1. (adv.) In a close manner.

2. (adv.) Secretly; privately.

Thesaurus Entries

all but, almost, as good as, barely, carefully, close, compactly, densely, firmly, hardly, heavily, heedfully, intently, just about, meticulously, mindfully, minutely, narrowly, near, nearly, nigh, nighhand, not quite, only just, pretty near, punctiliously, scrupulously, sharply, solidly, thick, thickly, thoughtfully, well-nigh