flat tire

noun

A bore; a person who is no fun.

Meanings

nounflat tire (plural flat tires)

plural flat tires

  1. NorthUSalternativeAlternative spelling of flat tyre.
  2. USdatedslangA bore; a person who is no fun.

    Sam scowled at him. “You're always such a flat tire. Live a little for once.” A twinge of pity for Judd made Carrie speak. “He's not a flat tire. He just doesn't want to.”

    2020, Nancy Shew Bolton, Love Stumbled In

    Synonyms: pill, square, wet blanket

Synonyms & antonyms

nounA bore; a person who is no fun.

More synonyms by meaning

nouna deflated pneumatic tire

Similar
Broader
pneumatic tirepneumatic tyre
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

flat tire. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/flat%20tire

MLA

“flat tire.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/flat%20tire. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “flat tire,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/flat%20tire.

Source: flat tire on Wiktionary, CC BY-SA 4.0.