Arm
Tentacle
Tentacle noun - Any of various elongated tactile or prehensile flexible organs that occur on the head or near the mouth in many animals; used for feeling or grasping or locomotion.
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Synonyms for Tentacle
Arm and tentacle are semantically related in appendage topic. You can use "Arm" instead a noun "Tentacle".
Nearby Word: tentacular
Both words in one sentence
- One episode of Futurama shows Leela's maternal grandmother, a mutant with a normal arm and a tentacle - which the developers originally planned to give to Leela's mother, who instead has two tentacle arms.
Source: Development Gag -
It gets worse after Sam blows his arm off and The Darkness grants him a tentacle-like appendage to replace it.
Source: Literature / Gone -
The only movement in the scene aside from a panning effect is Shiki's arm elongating into a tentacle-like appendage with a grotesque sound and closing the door.
Source: Anime / Carnival Phantasm
Cite this Source
Tentacle and Arm. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/arm/tentacle
Arm & Tentacle. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/arm/tentacle>.
Tentacle or Arm. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/arm/tentacle.
Google Ngram Viewer shows how "arm" and "tentacle" have occurred on timeline