lazy

Concise Oxford English Dictionary © 2008 Oxford University Press:
lazy/ˈleɪzi/

▶adjective (lazier, laziest)

• 1 unwilling to work or use energy.

• 2 showing a lack of effort or care.

• 3 (of a river) slow-moving.

– derivatives
lazily adverb,
laziness noun.

– origin C16: perh. rel. to Low Ger. lasich ‘languid, idle’.