After hours
After hours adverb - Not during regular hours.
Dark and after hours are semantically related. In some cases you can use "Dark" instead a noun phrase "After hours".
Dark
Dark noun - A time or place of little or no light.
Mutual synonyms
Both terms in one sentence
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Cracked's After Hours program discussed the Fridge Logic inherent with the "Keep them in the dark" aspect of this trope.
Source: It's Not You, It's My Enemies - Marvel and DC: Season 2 of After Hours: As the Green Goblin rightfully points out to The Joker concerning the plan to make every hero as dark as Batman, even though he's a villain himself.
Source: Jerkass Has a Point -
The Incredible Hulk and Iron Man: In the summer of 2008, RandomGuy took a break from the more dramatic storylines of "After Hours" to take advantage of the number of comic book movies coming out that summer (namely, The Incredible Hulk, Iron Man, and The Dark Knight).
Cite this Source
Dark and After hours. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/after_hours/dark
After hours & Dark. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/after_hours/dark>.
Dark or After hours. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/after_hours/dark.
Google Ngram Viewer shows how "after hours" and "dark" have occurred on timeline