time-consumingadj.

1600 C. Middleton Legend Duke of Glocester clxxiii. sig. F2 Let th'desire Of honor, conquest, time-consuming fame, Aduaunce another Worthy, of that name.

1633 W. Prynne Histrio-mastix iv. ii. 946 The recreation must not be overlong, not time-consuming; it must be onely as a baite to a traviler.

1667 T. Vincent God's Terrible Voice 157 Those who have mispent so much time in gaming, (not to speak of excess in eating and drinking, and other time-consuming sins..).

1814 S. Huntington Let. 8 Oct. in B. B. Wisner Mem. (1826) 115 Those time-consuming parties, which disarrange a family for a week before to prepare for them.

1831 Caledonian Mercury 16 June His Lordship disentangles himself from many of these time-consuming ceremonies.

1909 H. L. Sumner Equal Suffrage p. xxxii Bringing up children and managing a family are time-consuming occupations.

1949 Math. Tables & Other Aids Computation 3 376 The most time-consuming factor occurring in the use of the ENIAC is the ‘programming’ (i.e. setting up the machine for a specific problem).

2008 Sydney Morning Herald 19 Feb. (Good Living section) 10/2 There's nothing wrong with pre-made curry powder but it's easy, though time-consuming, to make your own.