Adjective
spoilery (comparative more spoilery, superlative most spoilery)
(informal) Involving or relating to spoilers (disclosures of a story's twists or ending).
I don't want to give too much more away, as it's too easy to get too spoilery with the story, but eventually Diana and Matthew do make it back to present day after a few more (some surprising!) adventures in 1590s Europe. Source: Internet
I fear my review will be vague, as there are so many ways to include spoilery… but I will do my best to not spoil anything! Source: Internet