definite
/ˈdefɪnɪt/adjective
1- clearly stated or decided; not vague or doubtful明确的, 确定无疑的：
we had no definite plans.
我们当时没有明确的计划。
1.1
- clearly true or real; unambiguous真正的; 明确的, 不含糊的：
no definite proof has emerged.
没有出现明确的证据。
1.2
- predic.(of a person) certain or sure about something（人）确信的, 肯定的：
you're very definite about that!
你对此很确定啊！
1.3
- clear or undeniable (used for emphasis)［用于强调 ］ 明白的; 无可否认的：
video is a definite asset in the classroom.
录像系统是教室里必不可少的东西。
1.4
- having exact and discernible physical limits or form固定的, 一定的。
USAGE
For an explanation of the difference between definite and definitive, see usage at DEFINITIVE.
派生词
definiteness
noun词源
mid 16th cent.: from Latin definitus 'defined， set within limits'， past participle of definire （see DEFINE）.