100 entries under idiom topic. ×

1
off course(expression, adjective, adverb, out)
1
off the track
1
off track(expression, strayed)
1
on the tab(verb, expression, incur, owe)
1
out of sight
1
out to lunch(expression, adjective, careless, indifferent)
1
past and gone
1
past praying for
1
run to seed
1
run up a bill(verb, expression, incur, owe)
1
taken a powder(expression, split, away, lacking)
1
taken up with(expression, adjective, absorbed, occupied)
1
turned to dust(expression, split, away, lacking)
1
unaware of events(expression, careless, remote, distracted)
1
up to here in(expression, adjective, absorbed, occupied)
1
water over the dam(expression, adjective, dead, past)
1
water under the bridge(expression, adjective, dead, past)
0
all at sea(expression, perplexed, bewildered, mystified)
0
almost hopeless
0
at a complete loss(expression, perplexed, bewildered, mystified)
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APASmart Define. (2016). lost thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lost/thesaurus/synonyms
ChicagoSmart Define. 2016. "lost thesaurus" https://smartdefine.org/lost/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, lost thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lost/thesaurus/synonyms>.
MLASmart Define. "lost thesaurus" 17 February 2016. Web. 24 September 2026. <https://smartdefine.org/lost/thesaurus/synonyms>