plumb
adverb/plʌm/
/plʌm/
- (used before prepositions) exactly
- He was standing plumb in the middle of the road.
- (old-fashioned, North American English, informal) completely
- He's plumb crazy.
Word Originadverb Middle English (originally in the sense ‘sounding lead’): via Old French from Latin plumbum ‘lead’.
Check pronunciation:
plumb