100 entries under idiom topic. ×
| at sea(noun, expression, adjective, doubtful) | |
| down the drain(expression, adjective, split, lacking) | |
| deep in thought(expression, adjective, thoughtful, involved) | |
| lost in thought(expression, adjective, thoughtful, distracted) | |
| out the window(expression, adjective, split, quit) | |
| gone astray(expression, adjective, confused, out) | |
| in a reverie(expression, inattention) | |
| in the clouds(expression, inattention) | |
| lost to sight | |
| without a clue(expression, confused, perplexed, bewildered) | |
| wrapped in thought(expression, inattention) | |
| all wound up(expression, adjective, absorbed, occupied) | |
| at a loss(expression, confused, perplexed, bewildered) | |
| by the board | |
| caught up in(expression, absorbed, inattentive, engaged) | |
| down memory lane(expression, adjective, dead, past) | |
| failed to win | |
| fallen between cracks(expression, adjective, confused, out) | |
| get lost | |
| get on credit(verb, expression, incur, owe) |
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| APA | Smart Define. (2016). lost thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/lost/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "lost thesaurus" https://smartdefine.org/lost/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, lost thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/lost/thesaurus/synonyms>. |
| MLA | Smart Define. "lost thesaurus" 17 February 2016. Web. 21 September 2026. <https://smartdefine.org/lost/thesaurus/synonyms> |