An expression of delight or joy. / An expression of dismay, resignation, frustration, or annoyance (sarcastic).

Used to express disappointment or annoyance. / Used to express excitement or enthusiasm.

(idiomatic) An expression of mild disappointment or resignation; too bad, it's a pity.

(informal, slang) Used to indicate agreement, often sarcastically. / (informal, slang) Used to introduce a refutation, sometimes sarcastically. / (informal, slang) An exclamation of excitement or joy

An expression of dismay, concern, worry or disapproval.

Used other than figuratively or idiomatically: see oh, really. / (colloquial) An exclamation of surprise or amazement. / (colloquial, sarcastic) Said in response to an obvious statement.

used as an expression of frustration, disgust, disbelief, or incredulity

plural of rabbit-oh

Said in dismay, often sarcastically.

(Internet slang) oh no