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Need synonyms for sniffing out? Here's a list of similar words from our thesaurus that you can use instead.
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 Present participle for to find (something), especially by using the sense of smell 
      “The three-year-old bearded collie uses his keen sense of smell to sniff out missing people.” 
  
Present participle for to search for something, typically information 
Present participle for to search for something 
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