Synonyms and antonyms of To not know something or someone in British Thesaurus

out of touch ()

to no longer have recent knowledge or information about something

not know the first thing/not have the first idea about something ()

to not know anything about a subject or not have the skills to do something

have no concept of something ()

to be unable to imagine what something is like because you have never experienced it

lose touch (with something) ()

to not know the most recent information about something, so that you no longer understand it completely

not have a clue ()

to not know or understand something

be no judge (of something) ()

to not have enough knowledge to give an opinion about something

not be any the wiser ()

to not find out that something has happened, especially something bad

pass by ()

if something passes you by, you do not notice it

pass (verb)

to be unable to answer a question, especially in a test

be unconscious of something ()

to not realize something

not know someone from Adam ()

to not know who someone is