| deny |
to say that something is not true; refuse to agree with. |
| difficult |
hard to do or understand. |
| economist |
a person who is an expert in the study of economics. |
| educator |
a person who teaches. |
| exploration |
the act of investigating or examining. |
| guarantee |
a promise, especially in writing, that something one has bought will work properly. If it does not, the seller or maker must either repair or replace it. |
| perimeter |
the boundary or border of a figure or area. |
| prevent |
to keep or stop from happening. |
| respond |
to answer or give a reply, in words or otherwise. |
| sift |
to spread or sprinkle using a sieve or as though using a sieve. |
| smuggle |
to take in or out of a country illegally. |
| spur |
a metal piece with a spike that is attached to the heel of a rider's boot. Spurs are used to make a horse go forward. |
| sputter |
to spit out saliva or bits of food while speaking in a fast or excited way. |
| stumble |
to trip or lose one's balance in walking or running. |
| whittle |
to cut small bits or thin layers from, or to trim or shape by so doing. |