What is the meaning of Sonder?

The profound feeling of realizing that everyone, including strangers passing in the street, has a life as complex as one's own, which they are constantly living despite one's personal lack of awareness of it.

without

plural indefinite of sonde

imperative of sondere

to probe (test with a probe)

to probe (test the depth of something)

  1. to sound (use sound waves to establish the depth)

to sound (use sound waves to establish the depth)

to probe (look carefully around)

to probe (ask someone many questions, in order to find something out)

to survey and take measurements using a weather balloon

to survey (carry out a survey or poll)

to dive down

without; except; not including

without (not having)

without

except (for)

indefinite plural of sonde

to sound

indefinite plural of sond

Source: wiktionary.org