1. unwilling or refusing to change one's views or to agree about something.

1. able to be maintained or defended against attack or objection

1. showing a skillful use of underhanded tactics to achieve goals

1. a device, action, or opening remark, typically one entailing a degree of risk, that is calculated to gain an advantage 

1. done or shown openly; plainly or readily apparent, not secret or hidden

1. lack of imagination, foresight, or intellectual insight

1. put forward (an idea, theory, or point of view) for consideration by others

1. persistent, esp. to the point of annoyance or intrusion

1. feeling or characterized by great anger

1. having, showing, or done with good judgment or sense

1. a story, poem, or picture (extensive metaphor) that can be interpreted to reveal a hidden meaning, typically a moral or political one 

1. puzzle, confuse, or bewilder (someone)

1. an adjective or descriptive phrase expressing a quality characteristic of the person or thing mentioned 

1. rude in a mean-spirited and surly way.

1. a word or phrase open to two interpretations, one of which is usually risqué or indecent.

1. unconventional, different. 

(of an argument or case) clear, logical, and convincing.