The Definition of Prefix OB OC OF and OP

The Definition of Prefix OB OC OF and OP

The prefixes OB OC OF and OP are very common in English. The video provides a clear definition and then 6 illustrated sentence examples so you clearly understand the meaning and definition of the prefix OB OC OF and OP.

Here is a transcript of the video: “Words With the Prefix OB OC OF OP”

Slide 2:
The prefix OB means
AGAINST – FACING – NEAR – BEFORE

The prefix OB changes to:
OC before words beginning with C
OF before words beginning with F
OP before words beginning with P

Slide 3:
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Slide 4:
OBLIVIOUS

Definition: not aware of something, not mindful

From Old French meaning ‘forgetfulness’.
Hence, in the direction of (ob) forgetting

Slide 5:
The picture shows a woman walking in the road, paying attention to her mobile phone, while a vehicle is right behind her.

Sentence example: Electronic devices can make a person oblivious to what is happening around them.

In other words, the woman is not even aware there is a truck behind her.

Slide 6:
OBSCENE

Definition: offensive or against common standards of decency

From Latin (obscenus) meaning ‘offensive, indecent’. Hence, in front of (ob) indecency

Slide 7:
In the picture we see the cover of a book about Mary Whitehouse, an activist in the UK who tried to keep bad language, sex and violence out of the media.

Sentence example: Mary Whitehouse was a conservative activist who campaigned for over 40 years to try to keep obscene language and images out of the British media.

Slide 8:
OCCULT

Definition: relating to the supernatural, or magical powers

From Latin (occultus) ‘hidden, secret ‘.
Hence, beyond (oc) understanding

Slide 9:
The picture shows David Bowie in special garb and the famous British occultist Aleister Crowley.

Sentence example: Singer-songwriter David Bowie made no secret of his interest in the occult and how he was influenced by British occultist Aleister Crowley.

Slide 10:
OFFENSIVE

Definition: causing annoyance or displeasure

From Latin (offender) ‘to hit, to strike’.
Hence, in front of, against (of) to strike, to cause displeasure

Slide 11:
In the picture we see an early picture of the punk rock band, the Sex Pistols.

Sentence example: English punk rock band the Sex Pistols, were notorious for their offensive behaviour, both on and off the stage.

Note: Their offensive behaviour including swearing using obscenities, spitting and drunken vomiting in public.

Slide 12:
OPPRESSIVE

Definition: exercising authority excessively; causing hardship, difficult to cope with

From Latin (opprimere) ‘to press against, to weigh down’.
Hence, against (op) to compress, crush

Slide 13:
In the picture we see a man lying on his back, exhausted from the heat.

Sentence example: He found the summer heat quite oppressive.

Side 14:
OPPOSITE

Definition: placed or located directly across from something

From Latin (opponere) ‘set against’.
Hence, in front of (op) to set or place

Slide 15:
The picture shows the symbol for Yin-Yang, an ancient Chinese philosophy.

Sentence example: Yin and Yang is a Chinese philosophical concept that describes how opposite forces may be complementary or interconnected in the natural world.

Slide 16:
So remember, the prefix OB, OC, OF, and OP all mean:
AGAINST – FACING – NEAR – BEFORE

Examples:
OBLIVIOUS
OBSCENE
OCCULT
OFFENSIVE
OPPRESSIVE
OPPOSITE

Slide 17:
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Image Credits

Slide 5 – woman on phone
Creative Commons
https://flic.kr/p/25s2YgN

Slide 7 – Mary Whitehouse
Fair Use
https://m.media-amazon.com/images/I/51uBoRLmlbL.jpg

Slide 9 – David Bowie
Fair Use
https://www.vintag.es/2016/02/55-rare-photographs-of-david-bowie-you.html
Crowley
Public Domain
https://commons.wikimedia.org/wiki/File:Aleister_Crowley,_Golden_Dawn.jpg

Slide 11 – Sex Pistols
Public Domain
https://commons.wikimedia.org/wiki/File:Sex_Pistols_in_Paradiso.jpg

Slide 13 – summer heat
Creative Commons
https://flic.kr/p/8pMQHn

Slide 15 – Yin Yang symbol
Public Domain
https://commons.wikimedia.org/wiki/File:Yin_and_yang.svg

As you are interested in the definition of prefix ob, oc, of, and op, you will probably be interested in the meaning of another prefix:
The Meaning of Prefix INTER

Regarding the use of illustrations and photographs used in this video:

Creative Commons Attribution Licence
Others are allowed to copy, distribute, display, and perform copyrighted work – and derivative works based upon it if they give credit to the creator or source.
https://creativecommons.org/licenses/by/4.0/legalcode

Fair Use
Section 107 of the Copyright Act provides the statutory framework for determining whether something is a fair use and identifies certain types of uses—such as criticism, comment, news reporting, teaching, scholarship, and research—as examples of activities that may qualify as fair use.
https://copyright.gov/fair-use/more-info.html

Public Domain
Public domain works are not restricted by copyright and do not require a license or fee to use. Public domain status allows the user unrestricted access and unlimited creativity. These are typically very old works.