The phrase "abandoned halfway through" is correct and usable in written English.
It can be used to describe something that was started but not completed, such as a project, task, or story.
Example: "The novel was intriguing at first, but it felt abandoned halfway through, leaving many plot threads unresolved."
Alternatives: "left unfinished" or "stopped midway".
Like many de-Sovietising initiatives, however, the process was abandoned halfway through.
Some big dam projects have been abandoned halfway through (see box on next page); funding for new ones is not so easy to find.
The sepulchral edifices of this plan, abandoned halfway through construction in 1992 when the developer went bust, now loom over the ghosts of the Broadwalk.
When we meet, his fourth child is only two weeks old, and Oliver's speech patterns bear the unmistakable mark of sleep deprivation, with sentences abandoned halfway through, and thoughts colliding into one another.
The scheme had to be abandoned halfway through when Mallon ran out of cash, leaving streets with big chunks missing from the middle as if hit by a bomb and not a wrecking ball.
As might be expected, matters went downhill from there, and the pilgrimage was abandoned halfway through, when the weary Lestrygonians succumbed to inebriation and rancor at the Bailey pub in the city center.
Some of these projects will be abandoned halfway.
The group of much more popular friends to whom I recommended it abandoned me halfway through for "Ernest Saves Christmas" and never hung out with me again.
Or, as it says about Mackintosh in the book, that he was showing the insides of something – he hadn't just abandoned it halfway through.
While teaching at Penn State, Barth embarked on a cycle of 100 stories he called Dorchester Tales; he abandoned it halfway through to begin his first two published novels.
In 1996, Manchester United notoriously introduced a grey strip which had been specifically designed to look good when worn with jeans, but abandoned it halfway through a match after manager Alex Ferguson claimed that the reason why his team was losing 3 0 was that the players could not see each other on the pitch.
