Room accepted by no friend ordinarily (8)
I believe the answer is:
normally
'ordinarily' is the definition.
(I know that ordinarily can be written as normally)
'room accepted by no friend' is the wordplay.
'room' becomes 'rm' (abbreviation).
'accepted by' means one lot of letters goes inside another (inserted letters are accepted).
'friend' becomes 'ally' (an ally is a friend or supporter).
'no'+'ally'='noally'
'rm' inserted within 'noally' is 'NORMALLY'.
(Other definitions for normally that I've seen before include "In the usual way" , "In the ordinary or typical way" , "As a rule, usually" , "Naturally" , "in standard fashion" .)