Consider old American is graceless (9)
I believe the answer is:
ponderous
'graceless' is the definition.
(thesaurus)
'consider old american' is the wordplay.
'consider' becomes 'ponder' (I am not sure about this - if you are sure you should believe this answer much more).
'old' becomes 'o' (common abbreviation eg in OE for Old English).
'american' becomes 'US' (United States).
'ponder'+'o'+'us'='PONDEROUS'
'is' acts as a link.
Can you help me to learn more?
(Other definitions for ponderous that I've seen before include "Weighty" , "Slow and clumsy" , "Pedestrian's" , "Slow and laborious" , "Heavy-handed" .)