Lengthy tale.
Extended narrative. A long story implies a detailed account that goes on for a while, and 'extended narrative' captures the essence of it. It gives the idea of a story that has been developed over a significant length, whether it's in written or spoken form.
One synonym could be 'long - winded narrative'. This refers to a story that goes on and on, often with a lot of unnecessary details. Think of someone who is trying to tell you about their day but ends up including every single little thing that happened from the moment they woke up. Another synonym might be 'meandering account'. It gives the idea of a story that wanders around, not really having a very clear or concise structure, just like a river that meanders through the countryside without a straight path.
Saga. It implies a long, complex story often involving many characters and events over a period of time.
Another synonym could be 'frightening yarn'. 'Yarn' is an old - fashioned term for a story, and when combined with 'frightening', it clearly indicates a story that is meant to scare. This kind of story often plays on people's fears, whether it's the fear of the unknown, of something lurking in the dark, or of supernatural forces.
A synonym for 'funny' could be 'humorous'. Here's a humorous story. There was a magician who was walking down the street and turned into a grocery store. (It's a play on words as 'turn into' has different meanings). Another example is using 'comical' as a synonym. A man went to the dentist. The dentist said, 'You need a crown.' The man replied, 'I know, right? I am a king!' This shows a comical misunderstanding.
Once upon a time, there was a small 'tiny' creature. It lived in a 'little' hole. One day, it went on a 'journey' which was actually just a'strip' through the forest. It was looking for 'food' or'sustenance'.
A synonym story could be like this. Let's take the word 'big'. One day, a little boy was looking at a huge elephant at the zoo. Instead of using 'big', he could say 'large' or 'enormous' to describe the elephant. It was an amazing sight, and the synonyms added more color to his description.
Narrative is a synonym for story. It refers to a sequence of events told or written.
A long yarn. It's an old - fashioned term that is not as commonly used today as 'story' or 'tale', but it means the same thing in essence. For example, sailors used to tell long yarns about their adventures at sea.
One such synonym could be 'discursive narrative'. 'Discursive' means digressing or rambling, and when combined with 'narrative', it gives the sense of a long rambling story.