1. superlative form of tinny; having the most metallic, thin, or hollow sound quality
2. superlative form of tinny; made of the thinnest or cheapest tin or metal

Examples

• The tinniest speaker produced the worst sound quality of all the devices tested.
• Her voice sounded tinniest when she spoke through the old microphone.
• The tinniest toy car broke immediately when dropped.
• Among all the pots, this was the tinniest and most likely to dent.
• The tinniest bell made the most annoying noise.
• He chose the tinniest container because it was the cheapest option.