Definition of no strings in US English:

no strings

noun

  • No conditions or obligations. Frequently as adverb: with no accompanying conditions or obligations.

adjective

  • Especially of a financial arrangement: accompanied by no conditions or obligations.

Origin

Late 19th century; earliest use found in Atchison (Kansas) Daily Globe. From no + the plural of string.

Pronunciation

no strings

/ˌnəʊ ˈstrɪŋz/