Word list: O


One word.

off your own bat

Bat, not back.


Hyphenated as an adjective, as in an on-demand webcast.


One word. But ask yourself: does this word add anything to the sentence? If not, consider removing it.


One word.

opt in, opt-in, opt out, opt-out

No hyphen if it’s a verb. Hyphenated if used as a noun or adjective. You can opt out of cookies by using an opt-out mechanism. You can opt in to receive emails if you tick the opt-in box.

oral, verbal

See verbal, oral.