'avid' is a correct and usable word in written English
You can use it to describe someone who is eager and enthusiastic, as in the following example sentence: My brother is an avid reader, always devouring books and articles with enthusiasm.
By the time I arrived in Nice, the picnic on the beach had been called off, but I was soon absorbed into the extended family of this pair of single mothers and avid social networkers.
Even as an avid reader who loves books and the beauty of fictional worlds, sometimes even I get bored and can't concentrate on the book I'm trying to get through.
The teenage Iain of course had no personal experience of violence, let alone war, but his father and many of his older relatives were veterans, and he was already an avid reader of history and much else.
Matters are probably exacerbated by the fact the rest of the family are avid readers.
He stood only 5ft 5in, but he was an avid squash player and kept his body in peak physical condition.
Or that Scotland, avid participant for over two centuries in the splendour and folly of empire, as the opulent houses near Glasgow and the Indian cemeteries full of young Campbells attest, should now wish to disown its senior partner.
In case you haven't heard of Bachman, she's an American TV personality from Minnesota who is an avid hunter.
It is not the stuff of conspiracy theories to assume that some avid supporters of a European federal state wished for this very scenario all along: they knew the euro would not work and thus necessarily lead to "more Europe".
Flashy advertisements really don't mean anything to most avid readers.
A copy was secured in our village, no doubt by some lovelorn wife or spinster, and was loaned by the page because all were avid to read this tormenting love story and all identified with it.
He was an avid gardener, and I find myself in Hertfordshire [where Daldry bought a rambling mansion a few years ago] digging up potatoes, thinking, 'What the fuck am I doing?' That feels quite weird.
