plumb

Từ điển Oxford Advanced Learner 8th

plumb [plumb plumbs plumbed plumbing] verb, adverb BrE [plʌm] NAmE [plʌm]
verb ~ sth (literary)
to try to understand or succeed in understanding sth mysterious
Syn: ↑fathom
•She spent her life plumbing the mysteries of the human psyche.
•He had clearly plumbed the general sense of the message.
Verb forms:

Word Origin:
v. and adv. Middle English ‘sounding lead’ Old French Latin plumbum ‘lead’ late 19th cent. ‘work as a plumber’ ↑plumber
Idiom: ↑plumb the depths of something
Derived: ↑plumb something in
 
adverb
1. (used before prepositions)exactly
•He was standing plumb in the middle of the road.
2. (old-fashioned, NAmE, informal)completely
•He's plumb crazy.

Word Origin:
v. and adv. Middle English ‘sounding lead’ Old French Latin plumbum ‘lead’ late 19th cent. ‘work as a plumber’ ↑plumber
 

• Từ đồng nghĩa / Synonyms:
  plum, clean, plumb bob, plummet