Base off of is an American informal verbal construction meaning to use something as a foundation or reference point — to base something on something else.
Base off of is an American informal verbal construction meaning to use something as a foundation or reference point — to base something on something else. The doubled preposition ('off of' instead of standard 'on') is a casualism widely used in informal American English and frequently stigmatised by prescriptivists. It appears naturally in everyday speech and informal writing, particularly among younger speakers, though edited prose typically substitutes the simpler 'base on.'
The whole campaign was based off of research they had done two years earlier, and some of it was already outdated.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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Browse all slang words starting with B.
Founded on; having a basis; often used in combining forms.
(Internet slang) The quality of being based .
(baseball, transitive) After a fly ball is caught, to tag the base (a runner) was on at the time of the pitch, thereby causing them to be out for failure to tag up.
The absolute pinnacle of based behaviour — an action or statement so perfectly, fearlessly authentic that it represents the theoretical ceiling of what being based can look like. Peak based moments become reference points: the thing someone did that people cite as the template for how to operate without apology. It's not just good; it's definitionally good, the example you return to when explaining what based actually means to someone who doesn't get it yet.
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(ditransitive, US, informal) To base on.
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