introvert (noun) introvert: person who retreats mentally
Sinonime: bought for a song,
cheap, cost next to nothing, cost nothing, cut rate, dime a dozen, dirt cheap, dog cheap,
fair,
low, low tariff, low-priced, marked down, moderate,
modest, on sale, quite a buy, reasonable, reduced,
sound, steal*
Antonime: expensive, uneconomical,
unreasonable