perfunctory
adjective
[ pəˈfʌŋ(k)t(ə)ri ]
• (of an action) carried out without real interest, feeling, or effort.
• "he gave a perfunctory nod"
Similar:
cursory,
desultory,
quick,
brief,
hasty,
hurried,
rapid,
passing,
fleeting,
summary,
token,
casual,
superficial,
uninterested,
careless,
half-hearted,
unthinking,
sketchy,
mechanical,
automatic,
routine,
offhand,
indifferent,
inattentive,
dismissive,
Origin:
late 16th century: from late Latin perfunctorius ‘careless’, from Latin perfunct- ‘done with, discharged’, from the verb perfungi .