Tentacle

/ˈtɛntəkəl/ noun, verb

noun, verb ·Uncommon ·Advanced level

Meaning at a glance

  • Primary sense: An elongated, boneless, flexible organ or limb of some animals, such as the octopus and squid.
  • Grammar: tentacle is listed as noun, verb.
  • Nearest alternatives: appendage, arm, branch, extension.
  • Useful contrasts: body, independence, torso.
  • Usage evidence: Something cold and slimy touched Nastya’s cheek, and she cringed, seeing it was a giant tentacle.

How to use "tentacle"

  1. Start with the primary definition, then check the part of speech before placing the word in a sentence.
  2. Compare nearby synonyms to make sure "tentacle" carries the exact meaning, tone, and strength you need.
  3. Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.

Meaning check

  • Does the word fit the sentence's grammar?
  • Does it match the intended tone rather than only the dictionary definition?
  • Would a simpler synonym be clearer for the reader?
  • Is there enough surrounding context to prevent ambiguity?

Source and review context

This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "tentacle" in a final draft.

If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.

Before you rely on this definition

Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "tentacle" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "tentacle" with a nearby alternative so the final choice matches both meaning and reader expectation.

Compare nearby meanings

  • Use synonyms when you need a softer, stronger, simpler, or more specific word.
  • Use antonyms to check the boundary of the meaning and avoid accidental contrast.
  • Use the example sentence to confirm the word behaves naturally in context.
  • Keep the original wording when a replacement adds complexity without improving precision.

Definition decision workflow

1. Identify the role

Check whether "tentacle" is acting as noun, verb in your sentence. A definition is only useful when the grammar matches the way the word is being used.

2. Test the nearest option

Compare it with "appendage" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.

3. Confirm with context

Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.

Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.

Final meaning check

Before publishing a sentence with "tentacle", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.

When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.

Definitions

Noun
  1. 1
    An elongated, boneless, flexible organ or limb of some animals, such as the octopus and squid.

    "With one blow of the axe, Captain Nemo cut this formidable tentacle, that slid wriggling down the ladder."

  2. 2
    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 wordnet
  3. 3
    One of the glandular hairs on the leaves of certain insectivorous plants.
  4. 4
    something that acts like a tentacle in its ability to grasp and hold wordnet
  5. 5
    An insidious reach or influence. figuratively

    "the tentacles of the criminal underworld"

Show 2 more definitions
  1. 6
    Something like a zoological limb. figuratively

    "New extensions into the outer London dormitory areas also have been constructed, and at the present moment the tentacles of London's Underground are slowly but surely extending eastwards into Essex to relieve congestion on the suburban lines of the former Great Eastern Railway."

  2. 7
    An officer employed to drive out to troops and transmit back requests for support via a special radio link. UK, historical

    "A joint RAF/Army staffed Air Support Control (ASC) headquarters was established at each army corps and each armoured division, linked to the forward brigades by a 'tentacle' equipped with two-way wireless telegraphy."

Verb
  1. 1
    to move like a tentacle

Example

"Something cold and slimy touched Nastya’s cheek, and she cringed, seeing it was a giant tentacle."

Common questions

What does "tentacle" mean?

An elongated, boneless, flexible organ or limb of some animals, such as the octopus and squid.

What is a synonym for "tentacle"?

Common synonyms include: appendage, arm, branch, extension, feeler, limb.

How do you use "tentacle" in a sentence?

Something cold and slimy touched Nastya’s cheek, and she cringed, seeing it was a giant tentacle.

How do you pronounce "tentacle"?

Pronounced /ˈtɛntəkəl/.

Etymology

From New Latin tentāculum, from tentō. Doublet of tentaculum.

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