All 15 Uses of

however

in

Animal Farm

I had known that tune in my infancy, but it had long since passed out of my mind. Last night, however, it came back to me in my dream.
p. 11.9

however = though (used to connect contrasting ideas)

...they were frightened to go inside. After a moment, however, Snowball and Napoleon butted the door open with their shoulders and the animals entered in single file, walking with the utmost care for fear of disturbing anything.
p. 22.6

...the sparrows kept their distance. The reading and writing classes, however, were a great success.
p. 32.8

however = nevertheless (used to connect contrasting ideas)

The animals had assumed as a matter of course that these would be shared out equally; one day, however, the order went forth that all the windfalls were to be collected and brought to the harness-room for the use of the pigs.
p. 35.6 *

however = though (used to connect contrasting ideas)

It was given out that the animals there practised cannibalism, tortured one another with red-hot horseshoes, and had their females in common. However, these stories were never fully believed.
p. 39.3

...the geese, who had been hiding behind the hedge, rushed out and pecked viciously at the calves of their legs. However, this was only a light skirmishing manoeuvre, intended to create a little disorder, and the men easily drove the geese off with their sticks.
p. 41.1

Mollie in fact was missing. ... In the end, however, she was found hiding in her stall with her head buried among the hay in the manger.
p. 43.5

He had declared himself against the windmill from the start. One day, however, he arrived unexpectedly to examine the plans.
p. 50.0

...in the end he could not think of anything to say. Some of the pigs themselves, however, were more articulate.
p. 54.8

however = in contrast (used to connect contrasting ideas)

...warned the animals that this extra task would mean very hard work, it might even be necessary to reduce their rations. The plans, however, had all been prepared, down to the last detail.
p. 57.5

however = though (used to connect contrasting ideas)

Hitherto the animals had had little or no contact with Whymper on his weekly visits: now, however, a few selected animals, mostly sheep, were instructed to remark casually in his hearing that rations had been increased.
p. 75.2

He called the animals together and told them that he had a terrible piece of news to impart. Comrade Napoleon was dying!
...
By the evening, however, Napoleon appeared to be somewhat better, and the following morning Squealer was able to tell them that he was well on the way to recovery.
p. 108.0

...they did not like to think of their sick comrade in the hands of human beings. However, Squealer easily convinced them that the veterinary surgeon in Willingdon could treat Boxer's case more satisfactorily than could be done on the farm.
p. 120.7

However, Benjamin and Clover could only be with Boxer after working hours, and it was in the middle of the day when the van came to take him away.
p. 121.5

The windmill had been successfully completed at last.... The windmill, however, had not after all been used for generating electrical power.
p. 129.1

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