All 7 Uses of

however

in

Tuck Everlasting

In the end, however, it was the cows who were responsible for the wood's isolation, and the cows, through some wisdom they were not wise enough to know that they possessed, were very wise indeed.
p. 8.2

however = though (used to connect contrasting ideas)

...tossing pebbles at such an angle that they passed through the gnat cloud on their way to the toad. The gnats were too frantic to notice these intrusions, however, and since every pebble missed its final mark, the toad continued to squat and grimace without so much as a twitch.
p. 14.2

It was squatting on a low stump and she might not have noticed it, for it looked more like a mushroom than a living creature sitting there. As she came abreast of it, however, it blinked, and the movement gave it away.
p. 24.7 *

After a few minutes, however, it was clear to Winnie that there was at least one rule: As long as there was food to eat, there was no conversation.
p. 56.8

However, there wasn't time to wonder, for at that moment someone knocked at the door.
p. 91.7

however = but

However, since it's already too late to keep you out, you may as well join me in what I'm going to do.
p. 98.2

All this would have been swept away in any case, however, this good impression of her friends which she was trying to create, when she told them what had happened to the man in the yellow suit.
p. 107.4

however = though (used to connect contrasting ideas)

Definitions:

(1) (however as in: However, complications may...)
though (or another expression that connects contrasting ideas)

(Based on idea 1 we might not expect idea 2, but this is a way of saying that even though idea 1 exists, we still have idea 2. Synonyms include in spite of that, despite that, nevertheless, nonetheless, on the other hand, in contrastand but.)
(2) (however as in: However much she tried...)
to whatever degree (regardless of how much; or whatever unspecified amount)
(3) (however as in: However you do it, get it done!)
in whatever way