It's All Downhill From Here
Generally speaking, when someone says, "It's all downhill from here," something awful is about to grow worse. It's employed to characterize a downturn in anything that had promise, like a career or love. The terms "in decline," "falling apart," and "on the verge of failure" also have the same meaning. Although they can all be applied in various situations, they all suggest a downward trend.
Definition
Declining or deteriorating is referred to as "going downhill," and depending on the situation, this can be a good or bad thing. It can be used to explain anything, including the financial situation of a company or an individual. "Going downhill" is synonymous with decreasing, "falling apart," and "slipping away." Something that is declining can be difficult to reverse, particularly if it has been going on for a while. This expression can also be used to alert someone of impending bad news. When you are almost done with a jigsaw puzzle, for instance, you can say, "It's all downhill from here." Something that is losing momentum can be reversed by implementing adjustments or adopting new measures. To stop things from growing worse, you could, for example, start exercising more or cut out junk food if you are losing weight. If you're feeling overburdened, you can also ask friends and relatives for assistance.
In other words
Similar expressions include "on the decline" and "in decline," but each has a unique meaning and can be better suitable in a different circumstance. "Downhill" typically denotes a bad pattern or circumstance, such a person's health, wealth, or an unstable relationship. The expression "it's all downhill from here" is also associated with this idiom, and it can have both good and negative connotations. On the plus side, it might allude to someone becoming the best in their industry, like a well-known individual or a prosperous businessman. Inversely, it can allude to something that is fast deteriorating, like a person's health or financial situation. In figurative language, it can even be employed as in "things are all downhill from here." It was first used in the middle of the 1800s. Since then, the connotation hasn't altered. derived from the Idioms American Heritage Dictionary.
Sources
Depending on the context, there are two possible interpretations for the phrase "all downhill from here." It may indicate that the most difficult portion of a task is behind you and things will get simpler. It may also indicate that things are about to get worse or worse. In sports, this expression is frequently used to characterize a turning point in a match or season. This idiom's origins are unclear. It is more likely to have a more metaphorical sense, though it could have come from the physical idea of a slope. It is frequently used to convey the idea that something unpleasant or challenging is about to happen soon. The speaker's aim should be evident, as the sensation in question may be either positive or negative. Comparably, the expression "it's all uphill from here" conveys a similar idea with a little different meaning. It speaks of a favorable circumstance that will continue to improve rather than deteriorate.
As an example
"It's all downhill from here," is a popular expression that might indicate a change in direction or an impending ease. Whether someone is attempting to reassure someone that things will be easy or is concerned that things could go worse is usually evident from the context in which the phrase is used. When someone finishes a challenging task and says, "It's all downhill from here," they are probably hinting that the remaining work will be simpler. On the other side, after losing a big game, if someone says, "It's all downhill from here," they are most likely worried about what lies ahead. In sports, this idiom is frequently used to characterize a turning moment where things are likely to change, either for the better or worse. But it can also be used in other aspects of life, like a business or a relationship.