lackadaisical
UK[ˌlæk.əˈdeɪ.zɪ.kəl]US[ˌlæk.əˈdeɪ.zɪ.kəl]
adj
lacking enthusiasm, energy, or determination; carelessly lazy
adj
idle or indolent especially in a dreamy way
Morpheme Breakdown
lackadaisical
lackadaisical
Unsegmentable
Etymology
The word 'lackadaisical' has a colorful, interjectional origin. It evolved from the archaic expression 'lack-a-day,' a mild exclamation of sorrow or regret (itself a corruption of 'alack the day'). By the mid-18th century, this was extended to 'lackadaisy,' used to characterize someone who was affectedly sentimental or languishing. The adjective 'lackadaisical' emerged from this, shedding the overt sentimentality but retaining the core sense of being listless, languid, and lacking in vigor or earnestness. Its journey from a sigh of regret to a descriptor of casual indifference illustrates how spoken expressions can crystallize into formal vocabulary.
Analysis
Structure: lackadaisical (Unsegmentable)
This word is a lexicalized whole formed from an archaic interjection. It is not productively composed of separable modern English morphemes.
Examples
His lackadaisical approach to his studies resulted in poor grades.
The team's lackadaisical performance in the first half disappointed their coach.
She gave a lackadaisical wave without even looking up from her book.