| arsenal |
a building used for storing weapons and ammunition. |
| barricade |
a structure that is put up quickly for protection or to block the way. |
| burrow |
a hole or tunnel dug by certain animals for use as a hiding place or home. |
| category |
a particular section of a main group; class. |
| cipher |
a system that substitutes letters and symbols for the letters and symbols contained in a written message in order to conceal its meaning; code. |
| dwell |
to think, write, or speak about over and over again for a long time (often followed by "on" or "upon"). |
| extinct |
no longer existing. |
| glower |
to look or stare with sullenness, anger, or animosity; scowl. |
| gripe |
(informal) to complain continually; nag; grumble. |
| mindful |
careful; attentive (usually followed by "of"). |
| psychological |
of or having to do with psychology. |
| reference |
the act or fact of mentioning. |
| somewhat |
in some measure, degree, or proportion; rather. |
| startling |
causing one to move suddenly or involuntarily because loud, sudden, or unexpected. |
| unemployment |
the number or percentage of workers that do not have jobs. |