Ahead
Ahead adverb - So as to precede something in order of time.
Usage example: call ahead for reservations
Before is a synonym for ahead in direction topic. In some cases you can use "Before" instead the word "Ahead" as an adverb or an adjective or a preposition, when it comes to topics like in advance, in front or advance of. popular alternative
Before
Before adverb - So as to precede something in order of time.
Usage example: their arrival was completely expected because a messenger had gone before
Mutual synonyms
Both words in one sentence
- Only after letting Dib live a long, fulfilling, and extremely awesome life before ripping the metaphorical carpet from under his feet does Zim go ahead with the proportionate retribution of chucking a muffin back at Dib's head.
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One patient even seems able to see into the future and know things he couldn't possibly know ahead of time, such as "Dr." Trager long before the disaster and Trager started acting like a doctor.
Source: Videogame / Outlast - But because IV jumped back in time 150 years, it didn't accept load data from the earlier games... and V jumped back ahead to shortly before the first game, so it didn't accept load data either.
Source: Old Save Bonus
Cite this Source
Before and Ahead. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/ahead/before
Ahead & Before. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/ahead/before>.
Before or Ahead. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/ahead/before.
Google Ngram Viewer shows how "ahead" and "before" have occurred on timeline