If something is tinny, it sounds weak and a little metallic. Music played on an old-fashioned transistor radio would sound tinny compared to a fancy new stereo.

Tinny sounds are vaguely unpleasant, and tinny objects are poorly constructed, of cheap metal. You'll have more fun cooking in a heavy cast iron skillet than a thin, tinny pan. You could say that tinny things either sound like tin being struck with a spoon or appear to be made from tin. And if something tastes tinny, you can detect a metallic flavor in it.

Definitions of tinny

adj thin and metallic in sound; lacking resonance

“an unpleasant tinny voice”
metal, metallic
containing or made of or resembling or characteristic of a metal

adj of very poor quality; flimsy

bum, cheap, cheesy, chintzy, crummy, punk, sleazy
of low or inferior quality

adj of or containing tin

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