What's the difference between downcast and downlooked?

Downcast

Definition:

(a.) Cast downward; directed to the ground, from bashfulness, modesty, dejection, or guilt.
(n.) Downcast or melancholy look.
(n.) A ventilating shaft down which the air passes in circulating through a mine.

Example Sentences:

(1) Green campaigners were rejoicing over the departure of the climate sceptic, while the National Farmers' Union was downcast at the exit of a cabinet minister who consistently stuck up for rural areas.
(2) In a concession message posted on Facebook, Hofer urged his supporters to not be downcast.
(3) But a downcast-looking Slim had managed to fulfil his promise to play live for fans.
(4) Moyles opened the show after the 6.30am news bulletin sounding downcast and launched into a long diatribe: "Do you know what, I wasn't going to come in today.
(5) It’s not Trump,” said one downcast store-owner recently.
(6) I was in captivity for three months and 20 days,” she says, eyes downcast.
(7) Look at him earlier this week, a downcast shadow at his own manifesto launch.
(8) It's mood may be as relentlessly downcast as ever, but Amnesiac sees Radiohead drawing a vast array of sounds and influences into their woeful world.
(9) Defoe looked furious with himself for missing that one and his manager simply downcast as he chewed his gum with increasingly manic intensity.
(10) No downcast beams to light up what was coming, breaking water, way off the coast.
(11) Cameron, who began his own ARV treatment 15 years ago, added: "While people are downcast after Marikana [mine massacre] and the slowing economy, I think Aids point to a public service achievement and shows we can do it if we put our minds to it."
(12) Any honest reporter will record the sheer weight of indifference, ignorance and cynicism that sends you away downcast by the distance between the disengaged and our little world of political obsessives.
(13) "It's disappointing, I wasn't expecting this," said a deeply downcast Poyet.
(14) A downcast Pep Guardiola later admitted his defence's frailties.
(15) Aristide's wife stood with her eyes downcast, twisting a handkerchief.
(16) And Swanny, who is not the most demonstrative person on the planet, had this really weird look on his face and said, ‘You can’t give the j’accuse speech and then sit down and do your correspondence.’ I was thinking, ‘Well, that must have hit a bit harder than it felt.’” Across the chamber, her political foes looked suddenly downcast.
(17) Outfoxed, out of luck and abandoned as never before, he looked tired and downcast.
(18) In short, Luhansk, under the LPR, has become a city of downcast faces.
(19) Eyes downcast, head bowed, hands clasped and legs crossed; Eddie, an introverted wheelchair user, had been in a dementia care home for a decade when he began sessions with arts charity Age Exchange .
(20) A downcast Sanchez spent most of the hearing with his head bowed, appearing to fight back tears while the judge explained the charge to him.