| adaptable |
abed to be changed in order to serve a different purpose or work in a new way. |
| barter |
to trade services or things for other services or things without using money. |
| dubious |
having or showing doubt; skeptical. |
| economical |
using only a small amount; without waste; frugal. |
| elapse |
to go or slip by; pass or come to an end. |
| frustration |
an angry or impatient feeling caused by failing or being hindered in one's attempts to do something. |
| inexpensive |
low or moderate in cost. |
| innovate |
to propose or implement a new method, approach, idea, or the like; make inventive changes. |
| instinct |
natural behavior in an animal that is not taught by parents or experience but is simply part of what an animal is born with. |
| penal |
of, concerning, or giving out punishment, especially according to law. |
| preventive |
made to get in the way of or to block something. |
| rave |
to talk with much enthusiasm; praise. |
| sentiment |
a way of thinking or feeling about something. |
| specialize |
to devote one's attentions to a specific pursuit or field of study. |
| undergo |
to have the experience of; receive; endure. |