it's all downhill

it's all downhill

1. Something is steadily worsening. Once my parents open my report card and see how bad my grades are, it's all downhill from there.
2. Something is increasingly easy (as if literally traveling downhill, as opposed to uphill). I'm sure I can finish the rest of the experiment on my own—it's all downhill from here.
See also: all, downhill
Farlex Dictionary of Idioms.

it's all downhill

Also, it's all uphill from here. See under downhill all the way.
See also: all, downhill
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • a/the feel of (something)
  • (I) wouldn't (do something) if I were you
  • a straw will show which way the wind blows
  • a crack at (someone or something)
  • all right
  • (you) wanna make something of it?
  • all for the best
  • a thing of the past
  • a slew of (something)
  • a bird in the hand
References in periodicals archive
Mr Dewhurst said: "I would say it's all downhill from here - but some people do actually like the rain.
Forecaster says weather 'all downhill from here' Summer: Met Office says warm spell is unlikely to linger for much longer
It's all downhill from there: Dress the salad, arrange it on a platter, pour a glass of wine and eat outside.
The breezy dish your summer needs
In fact, some would say that it's all downhill from there.
16 February 2019; SATURDAY
A Up until the age of 30 our muscles naturally grow larger and stronger, but from then on it's all downhill unless we do something about it.
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LINE OF THE DAY "It's all downhill from here" confirms SFA spokesman after we finally get an East Fife 4, Forfar 5 score.
BOOTROOM
But I don't want to tell my kids that it's all downhill from here.
Final Brexit deal with EU may go to another referendum, say Labour
"It's all downhill from here" - What royal fan Jason Copley wrote on a gigantic wedding card unveiled in Hollywood.
They said what?
It's all downhill after that, which means I must be treading water at the bottom of a particularly mucky mill pond.
I've had setbacks but still think I'm a winner
It's all downhill from there: Soon, the cops arrive, and the film's real drama begins to unfurl.
'Get Out' Is the Most Terrifying Movie American Jews Should Watch Right Now
It's all downhill to Christmas once the sun has set on June 21st before you know it you'll be cosying up with slippers and jumpers and shutting the curtains at 5pm.
RAISE A GLASS WITH JANE CLARE
It begins with a spine-tingling rendition of the classic Cold Cold Heart but it's all downhill from there.
Tom no plank as idol Hank; NOW SHOWING
I passed that landmark a couple of years ago and have to tell him it's all downhill from there.
My former Everton team[...]
"Scandals, reports of corruption and graft, and the humiliation of institutions are intensifying, giving the impression that it's all downhill," Kyprianou said.
AKEL chief blasts Anastasiades on poor economy and governance
IT'S all downhill at The Kingsley School in Leamington - but the girls and teachers couldn't be more delighted!
Skiing schoolgirls slalom to success
"The hardest part of the race is pulling up as it's all downhill and a short run.
DJ Cox backs Goodwood celebrity race for women