Adjective cheap has 4 senses
- cheap, inexpensive - relatively low in price or charging low prices; "it would have been cheap at twice the price"; "inexpensive family restaurants"
Antonyms:  expensive, big-ticket, high-ticket, dear, high-priced, pricey, pricy, dearly-won, costly, overpriced
 - brassy, cheap, flash, flashy, garish, gaudy, gimcrack, loud, meretricious, tacky, tatty, tawdry, trashy - tastelessly showy; "a flash car"; "a flashy ring"; "garish colors"; "a gaudy costume"; "loud sport shirts"; "a meretricious yet stylish book"; "tawdry ornaments"
Antonyms:  tasteful, in good taste (indirect, via tasteless)
 - bum, cheap, cheesy, chintzy, crummy, punk, sleazy, tinny - of very poor quality
Antonym:  superior (indirect, via inferior)
 - cheap, chinchy, chintzy - embarrassingly stingy
Antonym:  generous (indirect, via stingy)
 
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