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Bring to an end, which can be either a simple statement of fact (use a period to terminate a sentence) or something much more emotional (he was terminated (from his job) today). Or, with an extra syllable, carried to an extreme: exterminate. There are related adjectives in the family: determinate, indeterminate, conterminate, and interminable. I'll end this now, before making everyone suffer terminal boredom.

This reminds me of what not to remind those who are afraid of flying. Don't mention that the place you're flying from and to is called a 'terminal'.