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

Definition of "thumb" - American English Dictionary

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thumbnoun [C]

 us   /θʌm/
the ​shortfinger that is at an ​angle to the other ​fingers: How did you ​cutyour thumb?
(Definition of thumb from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "thumb" - British English Dictionary

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thumbnoun [C]

uk   us   /θʌm/
B1 the ​short, ​thickfinger on the ​side of ​yourhand that makes it ​possible to ​hold and ​pick things up ​easily
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thumbverb

uk   us   /θʌm/
thumb a lift UK informal (US thumb a ride) to ​stand near the ​edge of a ​road and ​hold out ​yourhand with the thumb ​raised as a ​signal for a ​vehicle to ​stop and take you ​somewhere: We thumbed a ​lift to London.thumb your nose at sb/sth to show no ​respect, or to ​raise the end of ​your thumb to the end of ​yournose to show that you do not ​respect someone: He has thumbed his ​nose at ​authority all his ​life.
Phrasal verbs
(Definition of thumb from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "thumb" - Business English Dictionary

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thumbnoun [C]

uk   us   /θʌm/
get/be given the thumbs down informal if an ​idea, ​project, etc. gets the thumbs down, it is not ​approved: The ​proposal was given the thumbs down at the ​boardmeeting.
get/be given the thumbs up informal to be ​approved: The controversial ​merger got the thumbs up from ​investors.
(Definition of thumb from the Cambridge Business English Dictionary © Cambridge University Press)
Translations of “thumb”
in Korean 엄지 손가락…
in Arabic إبْهام…
in Malaysian ibu jari…
in French pouce…
in Russian большой палец…
in Chinese (Traditional) 拇指…
in Italian pollice…
in Turkish baş parmak…
in Polish kciuk…
in Spanish pulgar…
in Vietnamese ngón tay cái, phần của găng tay bọc ngón tay cái…
in Portuguese polegar…
in Thai นิ้วหัวแม่มือ, ถุงมือที่ปิดนิ้วหัวแม่มือ…
in German der Daumen…
in Catalan polze…
in Japanese 親指…
in Chinese (Simplified) 拇指…
in Indonesian ibujari…
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