picky
adj.very careful about what you choose and only liking specific things. You use this when someone is hard to please because they have high standards.
adj.extremely selective or fastidious; difficult to please due to exacting standards. Often carries a slightly critical or negative connotation.
“My cat is very picky about what brand of food she eats.”
“The hiring manager is notoriously picky, often rejecting dozens of qualified candidates for minor resume errors.”
“While some critics are accused of being overly picky about technical flaws, others argue that maintaining such high standards is essential for the integrity of the industry.”
Often followed by the preposition 'about' when specifying the object of the selectivity.
The adjective 'picky' collocations with 'about' rather than 'for' when describing the area of concern.
“If you’ve ever had to prepare a meal for a picky eater, you know it’s not easy.”
From pick + -y.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.