This method of cane culture is, however, most uneconomical, since the soil in time will certainly become exhausted.
The advent of incandescent lamps of higher efficiency has made it uneconomical to use carbon lamps for general lighting purposes.
Figure 10 (Schillings) depicts a very high degree of uneconomical concentration.
Thirdly, it is uneconomical, in taking up valuable room that can be better appropriated.
How inefficient and uneconomical our schools, because we cannot fully answer them!
For a similar reason the use of the world as a base for interstellar travel, except for trade in certain items, is uneconomical.
To leave so powerful and profitable a calling in the hands of foreigners seemed both dangerous and uneconomical.
This was dangerous in the face of the enemy (cf. the Peninsular War), and it was also uneconomical.
This engine could be operated satisfactorily, except as to cost, but the heavy gas consumption made it uneconomical.
The first steam engine invented by Hero was a rotary engine, but it was of course, most uneconomical of steam.