perfunctory
adjective /pəˈfʌŋktəri/
/pərˈfʌŋktəri/
(formal)- (of an action) done as a duty or habit, without real interest, attention or feeling
- a perfunctory nod/smile
- They only made a perfunctory effort.
Oxford Collocations DictionaryPerfunctory is used with these nouns:- nod
Word Originlate 16th cent.: from late Latin perfunctorius ‘careless’, from Latin perfunct- ‘done with, discharged’, from the verb perfungi.