Synonyms for Oh:

n.

OH (noun)
ohio, buckeye state.
wow, OOH, say, Hey, yes, AAH, good/oh Lord, no.. absolutely, great, precisely, right, exactly, agreed. cool, if you like, I know what you mean, O.K., all-right, of course, I see/take your point, I see, GOTCHA. al, alas, ark, ak, ARIZ, az, ala, BC, ar, ca. like, you know, I'm sorry, now, And. darn, what's the big idea?, give me a break, for heaven's sake/sakes, brother, for crying out loud, what's that supposed to mean?, give me strength, for pity's sake. it all began, to be continued, with that, someone does something, the long and the short of it, once upon a time, there I was/we were, to make/cut a long story short. well, for the sake of argument/discussion, for openers, okey-dokey, I know. come to think of/about it, on the tip of your tongue, as (far as) I recall, if my memory serves me (well/right/correctly), for old times' sake, that reminds me, what about...?, now that you mention it. interjection (noun)
alas, wow, Hey.

Other synonyms:

Ohio
ohio.
say, wow, Hey. okey-dokey. And, like. now. O.K.. well. dear
alas.
Other relevant words:
like, And, okey-dokey, say, alas, well, Hey.

Usage examples for oh

  1. Oh princess, my lady! – The White Knight: Tirant lo Blanc by Joanot Martorell and Marti Johan d'Galba
  2. Oh you won't, will you?" – The Shagganappi by E. Pauline Johnson
  3. Oh I heard you! – The White Invaders by Raymond King Cummings