Bottom
Seabed
Mutual synonyms
Both words in one sentence
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Done in The Shallows, as this is how Nancy ultimately kills the shark, by making it lunge at her and then making it impale itself with a metal rebar protruding from the bottom of the seabed.
Source: Deadly Dodging -
It normally moves by floating just above the muddy seabed and dragging itself forward with its bottom pair of arms.
Source: Walk, Don't Swim -
Spoiler Opening: The ending has Manaka drifting lifelessly towards the bottom of the ocean, then shows her sitting motionless on the seabed, covered in saltflake snow.
Cite this Source
Seabed and Bottom. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/bottom/seabed
Bottom & Seabed. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/bottom/seabed>.
Seabed or Bottom. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/bottom/seabed.
Google Ngram Viewer shows how "bottom" and "seabed" have occurred on timeline