95 entries under idiom topic. ×

1
have need of(verb, expression, phrasal verb, want)
1
in reserve(expression, down, away, aside)
1
in seventh heaven(expression, enthusiastic, crazy, mad)
1
in the red
1
into the open
1
like a dinosaur(expression, adjective, dull, hard)
1
not with it(expression, odd, old, primitive)
1
not worth saving
1
of olden days(expression, odd, old, primitive)
1
of the old school(expression, odd, old, primitive)
1
off the track
1
off the wall
1
on cloud nine(expression, crazy, mad, delighted)
1
on the kip(expression, adjective, unconscious, dormant)
1
on the outside
1
on the shelf
1
out like a light(expression, adjective, cold, senseless)
1
out of favor(expression, adjective, gross, lousy)
1
out of gear
1
out of joint
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APASmart Define. (2016). out thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/out/thesaurus/synonyms
ChicagoSmart Define. 2016. "out thesaurus" https://smartdefine.org/out/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, out thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/out/thesaurus/synonyms>.
MLASmart Define. "out thesaurus" 5 January 2016. Web. 25 September 2026. <https://smartdefine.org/out/thesaurus/synonyms>