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Use of obscure words like “ebulliate”

What do you think about using obscure and out-of-use words, such as “ebulliate”? You won’t find it on or even if you google it, but it is in the OED and appears to be a verb-form of “ebullient,” which, of course, is a commonly used word today. My vote was to use it because, hey, it is a word, why confine myself to commonly used words, if we don’t keep up or revive the more obscure words then we’ll lose them forever, and worse, we’ll be overrun by new words being invented not in a smart Joycean fashion but rather inspired by the world of texting and internet chatting fashion. This thought works for phrases like “might could,” too, which I used even though some of your commenters had negative things to say about it.

But my question really is whether it is ok to use obscure words when it’s likely no one knows it/them and unless the reader has access to the OED, which most people don’t, and won’t be able to define it/them, but can probably figure out the meaning from the context of the sentence.

  • September 2, 2010
  • Posted by meghan
  • Filed in Usage

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In a belletristic context, go for it; why not? Trust your instincts.

Some rules of thumb. It's in bad taste to use an obscure word just because you can; use obscure words only when you think their obscurity undeserved. Remember that elegance and sonorousness are qualities of a composition as a whole, not its vocabulary; you cannot season good writing into bad by sprinkling it with piquant polysyllables. As a writer what you find obvious from context will less so to your readers; avoid obscure words in the sentences and phrases your intention hinges on. In short: if you could say it out loud without sounding like you've been reading "How To Increase Your Word Power," you're probably safe.

In other contexts, it's inadvisable; certainly you shouldn't drop "ebulliate" on the readers of a technical reference.

pmr September 2, 2010, 10:28pm

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Yes, Paul, I agree - it's never clever to use words just to sound smart. In the instance I was referring to, I couldn't find a word to fit my intended meaning better, so I went with "ebulliate," even though it's obscure. But you make a very good point! Nobody likes a pretentious writer!

meghan September 3, 2010, 9:23am

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I'd say, know your audience and the situation. I assume when you communicate with someone, it's your intention to have them understand you. If that's at risk, consider choosing your words more carefully. If it's in writing and a particular word conveys some subtlety of meaning that suits your purposes particularly well, then your reader may have the opportunity to look it up if needed. On the other hand, if you are talking to someone, say, at work, maybe to your boss or something, don't say something you know will be unintelligible. It probably won't score you any points.

porsche September 3, 2010, 5:16pm

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On the subject of sesquipedality—the use of big words—Bryan Garner has this to say:

"Build your vocabulary to make yourself a better reader; choose simple words whenever possible to make yourself a better writer." (A Dictionary of Modern American Usage)

That is sound advice. Of course, obscure* is not the same as simple, but the principle applies to both kinds. If you find yourself wondering whether a word is "too smart for the room," then it probably is. Paul and Porsche have made essentially the same point. Still, I might be tempted to drop "ebulliate" on readers of a technical reference, Paul, just to wake them up.

*See John McIntyre's comments on "limn" here:

douglas.bryant September 14, 2010, 10:11pm

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Use whatever word you need to use to best say what you want to say.

Obviously words no one recognizes are rarely going to be best, but there will be times . . ..

fmerton November 5, 2010, 8:56am

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Yes     No