bob Definition in the Cambridge English Dictionary
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Definition of “bob” - English Dictionary

Definition of "bob" - American English Dictionary

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bobverb [I]

 us   /bɑb/ (-bb-)

bob verb [I] (MOVE)

to move up and down ​quickly and ​gently: Empty ​cans and ​bottles bobbed in the ​water of the ​harbor.

bobnoun [C]

 us   /bɑb/

bob noun [C] (HAIRSTYLE)

a ​hairstyle that is ​short at the ​front while the other ​hair is ​cut to ​necklength all around the ​head: She ​wears her ​hair in a bob.
(Definition of bob from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "bob" - British English Dictionary

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bobverb

uk   /bɒb/  us   /bɑːb/ (-bb-)
[I] to ​move up and down ​quickly and ​gently, ​especially on the ​surface of ​water: In the ​harbour, the ​boats bobbed ​gently up and down on the ​water. [I usually + adv/prep, T] to ​movequickly in a ​particulardirection: I ​dropped the ​bottle into the ​water and ​watched it bob up to the ​surface a ​momentlater. Suddenly a ​head bobbed up from behind the ​hedge. She bobbed a ​curtsy (= ​bent down from the ​kneesbriefly as a ​sign of ​respect) to the Queen.

bobnoun

uk   /bɒb/  us   /bɑːb/

bob noun (HAIRSTYLE)

[C] (plural bobs) a women's ​hairstyle with the ​haircut to ​necklength all around the ​head: I've had/​worn my ​hair in a bob for ​ages.

bob noun (MONEY)

[C] (plural bob) UK old-fashioned informal a shilling : a British ​coin used in the past: That ​coatcost me ten bob in 1956.

bob noun (MOVEMENT)

[C] (plural bobs) a ​quickmovement up and down: She ​acknowledged me with a ​quick bob of herhead.

bob noun (SMALL THINGS)

bits and bobs [plural] UK informal small things or ​jobs of different ​types

Bobnoun

uk   /bɒb/  us   /bɑːb/ UK old-fashioned informal
Bob's your uncle used to ​mean that something will ​happen very ​quickly and ​simply: Just ​tell them you're a ​friend of mine and, Bob's ​youruncle, you'll get the ​job.
(Definition of bob from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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