off the grid vs underhand

off the grid

adv
  • Secretly; in a clandestine manner. 

  • In or into a situation or place in which electricity from the public electricity system is not used. 

  • In or into a clandestine or isolated situation or place, especially one in which public communication is curtailed. 

adj
  • Not connected to a publicly available communication system, such as the World Wide Web or a mobile telephone network. 

  • Isolated; in a remote location; in seclusion; not participating in some official process or system. 

  • Not using electricity from the public electrical supply system. 

underhand

adv
  • in a sly, sneaky or secret manner 

  • with an underhand movement 

adj
  • secret; clandestine 

  • dishonest and sneaky; done in a secret or sly manner 

  • thrown (etc.) with the hand brought forward and up from below 

noun
  • The lower of two hands, the hand under the work. 

verb
  • To trick, deceive or gull. 

  • To toss or lob with an underhand movement. 

  • To excavate downward in successive steps or horizontal slices while positioned above on unbroken ore. 

How often have the words off the grid and underhand occurred in a corpus of books? (source: Google Ngram Viewer )