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bob

verb · noun

Simple meaning

To move gently and vertically, in either a single motion or repeatedly up and down.

Pronunciation

Say it like this:

bahb
US device voice
IPA pronunciation (US)

ˈbɑb

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

verb

  1. intransitive

    To move gently and vertically, in either a single motion or repeatedly up and down, at or near the surface of a body of water, or similar medium.

    “Her rucksack bobbed gently on her back.”

  2. transitive

    To move (something) as though it were bobbing in water.

  3. Make a curtsy; usually done only by girls and women; as a sign of respect

  4. Cut hair in the style of a bob

    “Bernice bobs her hair these days!”

  5. To strike with a quick, light blow; to tap.

  6. transitive

    To cut (hair) into a bob haircut.

noun

  1. A bobbing motion; a quick up and down movement.

  2. A curtsy.

  3. A bobber (buoyant fishing device).

  4. A bob haircut.

  5. The dangling mass of a pendulum or plumb line.

  6. Any round object attached loosely to a flexible line, a rod, a body part etc., so that it may swing when hanging from it.

Word at a Glance

Difficulty
A2 · Elementary
Frequency
Very Common
Typical Use
Everyday English

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: A short or shortened tail of certain animals

Used this way, bob is a reasonably familiar word that usually carries little praise or criticism of its own. It usually sounds natural in a wide range of settings.

Emotional tone
Neutral
Formality
Neutral
Intensity
Not strongly marked
How common
Moderately common
Connotation
Matter-of-fact
Usage feel
Neutral and straightforward

Nearby words

  • bobsled , rarer, so it draws attention

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

How It’s Used

The word’s distinct uses, one example each.

  • Moveverb

    “Her rucksack bobbed gently on her back.”

  • Cutverb

    “Bernice bobs her hair these days!”

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Word Family

Related forms, grouped by how they connect.

Compound terms

Established multiword terms.

  • plumb bobnounCompound term

    The metal bob of a plumb line.

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.