The term "all-out" is an adjective that means using all available resources or efforts to achieve something. When something is described as "all-out," it indicates that there is no holding back; everything possible is being done to reach a goal.
In a Sentence: "The team made an all-out effort to win the championship."
In Context: "The country launched an all-out war against pollution."
In summary, "all-out" is a powerful adjective that describes actions taken with full commitment and effort, often in contexts of competition or significant challenges.