Definition of over-labouring in US English:

over-labouring

(US over-laboring)

noun

  • The action of over-labour; overwork, excessive toil.

Origin

Late 16th century; earliest use found in George Best (c1555–1584), explorer. From over-labour + -ing.

Pronunciation

over-labouring

/ˌəʊvəˈleɪb(ə)rɪŋ/