| opportune |
favorable or suitable, esp. in relation to time. |
| opportunism |
an act or the habitual practice of taking advantage of situations for one's own ends without considering principles or the effects on others. |
| opportunist |
one who tends to take advantage of situations to serve his or her own ends, especially without regard for others or of principles. |
| opportunistic |
seeking or taking advantage of situations to serve one's own ends, especially without regard for others or for principles. |
| opportunity |
a chance for an improved situation. [2 definitions] |
| opposable |
capable of being opposed or resisted. [2 definitions] |
| oppose |
to think, act, or be against; resist or obstruct. [3 definitions] |
| opposed |
not in favor of; against. |
| opposeless |
combined form of oppose. |
| opposite |
located at or on the sides opposing each other; facing. [7 definitions] |
| opposition |
the act or state of opposing, or the state of being opposed. [3 definitions] |
| oppress |
to treat harshly, brutally, or unfairly. [2 definitions] |
| oppression |
the act of oppressing, or the condition of being oppressed. [3 definitions] |
| oppressive |
harsh, brutal, or cruel. [2 definitions] |
| opprobrious |
expressing condemnation or scorn; accusing of shameful behavior. [2 definitions] |
| opprobrium |
a condition of disgrace or shame; ignominy. [3 definitions] |
| oppugn |
to oppose, contradict, criticize, or call into question. |
| Oprah Winfrey |
influential U.S. talk-show host, actor, philanthropist, and reputedly the first African-American woman billionaire (b.1954). |
| -opsis |
something resembling (whatever is specified). [2 definitions] |
| -opsy |
examination; scrutiny. |
| opt |
to decide; choose (usu. fol. by for or an infinitive). |