The phrase "as picky" is correct and usable in written English.
It can be used to describe someone who is very selective or particular about something, often in a context comparing their level of pickiness to someone or something else.
Example: "She is as picky about her food as her brother is about his clothes."
Alternatives: "just as selective" or "equally finicky".
When it came to which dollar bills to accept, the machines seemed just as picky as ours.
When it comes to trade-ins, online stores can be just as picky as real-world shops.
The festive season can be expensive, and those wanting to raise a few extra quid can't always be as picky as they like.
"The government has the choice of so many millions of people, so officials think they can be as picky as they want," she said.
Anthony Santelli writes about career women in their late 30's: "Despite being older and less beautiful, they are none the wiser and as picky as ever...
"I'm almost as picky about the outdoor space as the indoor space," said Varuni Tiruchelvam, 32, a high school teacher who is looking for a brownstone or an apartment in Brooklyn for around $600,000.
She has clearly been to see Roger Fry's Second Post-Impressionist Exhibition, but just as clearly been picky about what she found there.
Of these, nearly 18 per cent were classified as "moderately picky" and about 3 per cent as "severely selective".
That was, until last year, when a friend sent me a link to a Wall Street Journal article that perfectly described my pickiness and gave it a name: Selective Eating Disorder, also known as Adult Picky Eating.
Food reluctance can present as fussiness, picky eating, slowness in eating, and high satiety responsiveness.
Daniel Day-Lewis, known as a picky film actor with obsessive work habits, talks (a bit) about his process in preparing for the title role in Steven Spielberg's "Lincoln".
