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I often find myself using the two words joined together, moreso. I'm not sure where I picked up this usage. I'm also not sure that it's necessarily the correct one, as some proofreading tools will flag for not being a correctly-spelled word. Though I have seen it in multiple places when I've been looking for it, even on this site.

Is moreso generally accepted as being correct? Would it be correct to use in a serious paper?

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    I have never seen it before in my life, and nor is it recognised by Oxford Dictionaries on-line. – WS2 Dec 2 '14 at 9:27
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    The one-word form "moreso" is covered fairly well in this Grammarist article: grammarist.com/usage/moreso – Dan Bron Dec 2 '14 at 9:29
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    @DanBron I have just noticed that the OED recognises moreso as a US usage, meaning simply 'more so' as in 'all the more so'. – WS2 Dec 2 '14 at 9:33
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    I would use it at any level of formality, unless I had a particular reason to avoid risking the disapproval of conseratives. Moreso because its usage and acceptance are in flux. Fight the power! – Jim Reynolds Dec 2 '14 at 11:24
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    I'm from the States and frequently read scientific literature from around the world. I have never seen moreso anywhere, and I hate it. It reads like a word that rhymes with peso. – Richard Kayser Nov 10 '16 at 4:43
7

Moreso and more so are both correct, but in different contexts.

Example:

Anna's performance was good, but Emma's more so.

In this example, the "so" in more so relates back to the statement of the quality of Anna's performance.

However,

I believed the novel was moreso about oppression than the human spirit.

In this case, there is no precedent to justify "more so", therefore "moreso" is used instead.

Be aware also that "moreso" is considered less formal than "more so".

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    It's true that the phrase more so, as conventionally used, does not work in your second example; but this does not imply that it should be spelled differently (or that spelling it differently will improve anything). Note, for example, that a lot is still written as two words in a phrase like a lot bigger (though some people have indeed tried to write it as alot). – ruakh May 16 '16 at 2:35
  • @ruakh There are examples the other way, as well. "I don't want any more to eat." vs "I don't eat anymore." Also consider adverbial "every day" vs. adjectival "everyday." – rintaun Sep 24 '16 at 9:42
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    @rintaun: Those are not "examples the other way", since "anymore" and "everyday" are both cases where a compound was standardly written open ("I don't eat any more") or at least hyphenated ("an every-day affair") and eventually became closed. Grammarian's answer is asserting that the whole reason some people write "moreso" is that there's no history of using "more so" that way. – ruakh Sep 24 '16 at 17:31
  • Does your second example mean something different with that word "moreso" than it would with the actual word "more"? – bof Jan 26 at 7:47
5

That Grammarist post is completely misleading, not to mention contradictory.

A) IF "More so strictly means that to a greater degree ...," then the word "more" IS a crucial element of the sentence: Gina is studious, and Eleanor is more so.

B) The sentence is stating that "Gina is studious," and that "Eleanor is more so." Meaning, while Gina is studios, Eleanor is MORE studious than Gina. Therefore the word MORE, IS crucial.

C) You cannot simply replace the word "more" with "less" or "equally" because those two words are in no way equivalent to "more." If you stated that ... Gina is studious, and Eleanor is less so. ... you would be stating that Eleanor is LESS studious than Gina, and therefore it is not an equivalent sentence.

The logic behind the Grammarist site post on this topic is baffling, to say the least.

Anyways, in my opinion, while "moreso" is used MORE (not LESS or EQUAL TO) in the US than in other places, it would probably be wise to use the two-word version (more so) than the one-word, just because it is more widely acknowledged. Acceptance is a bit irrelevant considering the differences among many languages around the world.

-- Thad

2

Excerpting this Grammarist post:

Though more so spelled as two words, the one-word moreso gained ground despite the disapproval of usage authorities.

More so strictly means that to a greater degree, and so refers to an adjective or adverb used earlier.

E.g.:

Gina is studious, and Eleanor is more so

In the sentence above, so refers to the the adjective studious, and is a crucial element of the sentence while more is not. Because more and so function separately, changing more so to moreso in cases like this is difficult to justify.

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    In my opinion, this answer owes too much to the Grammarist post cited elsewhere in this question without giving proper credit. – tylerharms May 14 '15 at 10:39
  • @Mustapha "Moreso" is also a proper noun... google.fr/… – Elian Feb 20 '16 at 20:42

protected by user140086 May 16 '16 at 3:47

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