DictionaryAI

bob

SayBOB/bɑb/UK/bɒb/

Verbbobs, bobbing, bobbed

Noun pluralbobs, bob

31 meanings of bob

Practice

  1. 1
    up and downverbtransitive or intransitive
    To move quickly and gently up and down, like something floating on water, or to move your head this way.

    Apples bob in the big tub of water at the party.

    My toy boat was bobbing on the waves at the beach.

    UsagePeople often say bob up and down, or bob up when something comes up suddenly.

  2. 2
    short haircutnouncountable
    A short haircut where the hair is cut the same length all around the head.

    My sister got a bob before summer camp.

    Her new bob is easy to wash and dry.

  3. 3
    nouncountable
    A quick move up and down, like a small nod of the head.

    He said yes with a quick bob of his head.

    The little boat gave a bob each time a wave went by.

    UsagePeople often say a bob of the head.

    Similarnod, dip

  4. 4
    cut hairverbtransitive
    To cut someone's hair short so it is the same length all around.

    Mom wants to bob her long hair before summer.

    The hairdresser bobbed my hair, and now it ends at my chin.

    UsageYou often hear bobbed hair.

  5. 5
    apple gameverbintransitive
    To try to catch apples in water or on strings with only your teeth, as a party game.

    The kids lined up to bob for apples at the Halloween party.

    At the fall fair, we bobbed for apples hanging on strings.

  6. 6
    pendulum weightnouncountable
    A weight or small round thing hanging from a string or rod so it can swing, like a clock's pendulum weight.

    The bob of the old clock swings back and forth all day.

    Hold the string still and wait until the bob stops moving.

  7. 7
    racing slednouncountable
    A long sled that a team, or sometimes one person, rides down an icy track in races.

    The team pushed the bob and then jumped in.

    Our bob flew around the last turn of the icy track.

  8. 8
    cut shorterverbtransitive
    To cut off part of something to make it shorter.

    Farmers bob the lambs' tails when the lambs are very young.

    He bobbed the dog's tail, and now it is very short.

    Similardock, clip, trim

  9. 9
    short horse tailnouncountable
    A horse's tail after it has been cut short.

    The pony had a short bob instead of a long tail.

    The horse swished its bob at the flies.

  10. 10
    oral sexverbslangvulgarintransitivewith on
    To give oral sex to someone, used with on.

    She said she would bob on him later that night.

    He bobbed on his partner before they fell asleep.

Practice

Can you tell the meanings of bob apart? Answer 3 quick questions from this page, or write your own sentence and AI will check it.

Origins

Meanings 1, 3, 5, 10–11, 13–14

It comes from the Middle English word bobben, which meant to hit or shake. No one is sure where that word came from.

Checked 6 Nov 2026 · 3 facts

Meanings 2, 4, 6–9, 12, 18–19

It comes from the Middle English word bobbe, meaning a bunch of fruit or a small branch with leaves. It may come from a Celtic language.

Checked 6 Nov 2026 · 2 facts