Antonyms of adj flashy

2 senses of flashy

Sense 1
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")

INDIRECT (VIA tasteless) -> tasteful -- (having or showing or conforming to good taste)

Sense 2
flashy, gaudy, jazzy, showy, sporty -- ((used especially of clothes) marked by conspicuous display)

INDIRECT (VIA colorful, colourful) -> colorless, colourless -- (lacking in variety and interest; "a colorless and unimaginative person"; "a colorless description of the parade")
INDIRECT (VIA colorful, colourful) -> colorless, colourless -- (lacking in variety and interest; "a colorless and unimaginative person"; "a colorless description of the parade")

Similarity of adj flashy

2 senses of flashy

Sense 1
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")
       => tasteless (vs. tasteful) -- (lacking aesthetic or social taste)

Sense 2
flashy, gaudy, jazzy, showy, sporty -- ((used especially of clothes) marked by conspicuous display)
       => colorful (vs. colorless), colourful (vs. colourless) -- (striking in variety and interest; "a colorful period of history"; "a colorful character"; "colorful language")