[ 'dɛs(ə)lt(ə)ri , -z- ]
■ adjective lacking purpose or enthusiasm.
Derivatives
desultorily adverb
desultoriness noun
Origin
C16 (lit. 'skipping about'): from L. desultorius 'superficial' (lit. 'relating to a vaulter'), from desultor 'vaulter', from the verb desilire .