lax vs like an absent-minded professor

lax

adj

  • Lacking care; neglectful, negligent. 

  • Loose; not tight or taut. 

  • Lenient and allowing for deviation; not strict. 

  • Describing an associative monoidal functor. 

noun

  • Lacrosse. 

  • A salmon. 

like an absent-minded professor

How often have the words lax and like an absent-minded professor occurred in a corpus of books? (source: Google Ngram Viewer )