Definition of outlash in US English:

outlash

noun

rare
  • The action of lashing out; an instance of this.

verb

  • no object To lash out; to strike out violently. In earliest use figurative: to break out into excess; to be extravagant, exaggerate. Compare "overlash". Now rare.

Origin

Mid 19th century. From out- + lash, after to lash out<br>late Middle English (in an earlier sense). From out- + lash.

Pronunciation

outlash

/ˈaʊtlaʃ/