overlabour /ˌəʊvə(ɹ)ˈleɪbə(ɹ)/verb 3noun 1forms 3 verb3 •To cause to labour excessively; to overwork.But over labour'd with so long a Course, Tis time to set at ease the smoaking Horse. — 1697 •To labour upon excessively; to refine unduly.overlabor ornaments •To belabour or emphasise excessively.I don't want to overlabour what is obvious here. noun1 •Excessive labour.a disease which he had brought upon himself, by his over-labour at a Siege — 1684 formsoverlaboured · overlabouring · overlabours