Dictionary.com
Thesaurus.com

last thing

British  

adverb

  1. as the final action, esp before retiring to bed at night

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

By the time Marty’s competing in his tournament, family is the last thing on his mind.

From Salon

And viewers know that change is the last thing to expect from a “Call the Midwife Holiday Special.”

From The Wall Street Journal

By the time dinner was over, the last thing I wanted to do was return to the kitchen — which meant greeting the wreckage the next morning, bleary-eyed, just trying to make coffee.

From Salon

What was the last thing you asked an AI chatbot to do for you?

From BBC

Still, even a muddled reading could be the last thing investors were waiting on before kick-starting a Santa Claus rally into the end of the year.

From The Wall Street Journal