It means that whoever reviewed or edited the original material considers the word with a line through it to be incorrect, or not the best choice. The person offered a (presumably) better option over the word that was lined out.
With
it mean everies
P with a line over it means after in medical terms."post"
C with a line over it means with, and s with a line over it means without.
10
It means venous
That may mean the line segment that joins points labelled Q and Z.
A line over the letter o, called a macron, typically indicates a longer pronunciation of the vowel sound in languages such as Latin or Hawaiian. It does not specifically mean "without" in all cases, but rather serves to differentiate between different vowel sounds.
A line over a whole number means that number repeats for an infinite number of times.
High tide line averaged over 18.6 years.
It could represent a vector.
in order for it to be a goal the ball is to completely pass the goal line