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To not know something or someone - synonyms or related words

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



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

be unconscious of something

to not realize something


sea lion

in an online conversation, repeatedly asking a person questions which suggest that you are interested in what they are talking about, but are actually intended to annoy them

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an electric skateboard

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