| obstruct |
to clog or block. [3 definitions] |
| obstruction |
something that obstructs; obstacle or impediment. [3 definitions] |
| obstructionist |
anyone who deliberately prevents the ordinary conduct of affairs. |
| obtain |
to gain possession of; acquire. [2 definitions] |
| obtainable |
able to be obtained. |
| obtrude |
to thrust or force (oneself, one's concerns, or one's opinions) on another or others without being asked. [3 definitions] |
| obtrusive |
attracting unwanted notice. [3 definitions] |
| obtuse |
of an angle, greater than ninety degrees and less than 180 degrees. [3 definitions] |
| obtuse angle |
an angle greater than 90 degrees and less than 180 degrees. |
| obverse |
the face, front, or principal surface of anything, esp. of a coin, medal, or the like. (Cf. reverse). [5 definitions] |
| obviate |
to prevent or eliminate in advance; render unnecessary or irrelevant. |
| obvious |
easily understood, recognized, or seen; apparent. [2 definitions] |
| obviously |
in a way that is easy to see or understand; clearly. [2 definitions] |
| oc- |
to. [3 definitions] |
| ocarina |
a small wind instrument that has a small mouthpiece and finger holes, is shaped somewhat like an elongated potato, and produces soft, hollow sounds. |
| occasion |
an incident or event, or the time at which it happens. [5 definitions] |
| occasional |
occurring infrequently or irregularly. [3 definitions] |
| occasionally |
at times; now and then; infrequently. |
| occident |
(cap.) the countries of Europe and the Western Hemisphere (usu. prec. by "the"). |
| occidental |
(often cap.) of or concerning the countries of Europe and the Western Hemisphere, their peoples, or their cultures; western. [2 definitions] |
| occipital |
of, pertaining to, or located near the back of the head and skull. [2 definitions] |