Distinct
Part of speech: adjective
Definition: Very clear. Different from one another. Noticeably different.
Example sentence: Religion and philosophy are to be preserved distinct. We are not to introduce divine revelations into philosophy, nor philosophical opinions into religion.
Trenchant
Part of speech: adjective
Definition: Fitted to trench or cut; gutting; sharp.Keen; biting; vigorously effective and articulate; severe; as, trenchant wit.