Crossword Genius

Am I in frail condition? Quite well known! (8)

Ross

I believe the answer is:

familiar

I'm a little stuck... Click here to teach me more about this clue!

'quite well known' is the definition.
'familiar' can be an answer for 'known' (similar in meaning). I'm not certain of the 'quite well' bit.

'am i in frail condition?' is the wordplay.
'in' means one lot of letters goes inside another.
'condition?' is an anagram indicator (I've seen 'conditions' mean this (letters must be in a new condition)).
'am'+'i'='ami'
'frail' is an anagram of 'fliar'.
'ami' going inside 'fliar' is 'FAMILIAR'.

Can you help me to learn more?

(Other definitions for familiar that I've seen before include "Witch's companion" , "Well known or easily recognised" , "Everyday; recognisable" , "Conservant with the witch's cat?" , "Well-known like witch's assistant" .)

I've seen this clue in the Sydney Morning Herald.
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