46 entries under idiom topic. ×

8
plumb bob(noun, expression, lead, line)
6
plumb line(noun, expression, lead, verticality)
5
take soundings(verb, expression, probe, depth)
3
cast the lead(expression, depth)
3
up and down(expression, adjective, vertical)
2
exactly vertical
2
heave the lead(expression, measurement, depth)
2
shut the door(expression, closure)
2
word for word(expression, adverb, perfectly, faultlessly)
1
at right angles
1
check a parameter
1
find the answer
1
find the solution
1
for a fact(expression, just, absolutely, exactly)
1
in all respects
1
in every respect
1
make a sounding
1
make soundings(expression, depth)
1
of a piece(expression, adjective, even, rigid)
1
on the button(expression, just, absolutely, exactly)
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APASmart Define. (2015). plumb thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/plumb/thesaurus/synonyms
ChicagoSmart Define. 2015. "plumb thesaurus" https://smartdefine.org/plumb/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, plumb thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/plumb/thesaurus/synonyms>.
MLASmart Define. "plumb thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/plumb/thesaurus/synonyms>