Recent Examples on the WebFohr explores every nuance in her voice, soaring and diving to unplumbed depths against a backdrop of her core band and an orchestra.Washington Post, 22 Oct. 2021 Existing technologies like magnetometry, which measures magnetic fields from the surface down to a certain (pretty shallow) depth, do a great job with some cases, but leave the depths unplumbed. Caroline Delbert, Popular Mechanics, 10 June 2020 Table Mountain, the crag that lords over Cape Town, has unusual aquifers whose depth and abundance of water are still unplumbed. Aaron Gilbreath, Longreads, 12 June 2018 Trump, his allies, and his kin are guilty of degrading the language of government and politics to a hitherto unplumbed low. Josephine Livingstone, The New Republic, 5 June 2018 In territory that is, as yet, largely unplumbed by modern scholarship. Laura Bullard, Marie Claire, 1 Mar. 2018