Formal and Informal Vocabulary Words List 2024

In simple terms, the Formal English is when we use it in writing essays for school, cover letters to apply for jobs, or emails and letters at work.

Whereas Informal English is when we use language with friends, children, and relatives or at an informal place, where the environment is very casual, free and does not follow any particular rules or regulations, regardless of style, or dress code for your any event party.

Formal and informal language meets variety of needs. The tone, word choice, and style of writing change between the two styles. Formal language is no closer to home than informal language. It is used for writing professional or scholarly purposes such as college activities. Formal language does not use idioms, omissions, or personal pronouns, for example, ‘I’ or ‘We’.

Informal language is simple and uncomplicated. Used when talking to friends or family either recorded as a copy in a paper or conversation. Used for compiling individual messages, instant messaging, and other business letters. The voice of the informal language is much closer to home than the official language.

Now let’s see below how it works. We have divided the list below into categories: verbs, transitions, emphasis words, abbreviations, and slang.

Formal And Informal Vocabulary Words in English

Informal Formal
say sorry apologize, apologetic
go up Increase, rise
go down Decrease, down
set up Establish
look at Examine
blow up Explode
find out Discover
bring about Cause
put off postpone, delay
rack up Accumulate
make up Fabricate
stand for Represent
find out discover, ascertain
leave out Omit
point out Indicate
go against Oppose
get in touch with Contact
It’s about It concerns, It’s in regards to
need to Required
think about Consider
get Obtain
put up Tolerate

Following is a list of some formal and informal transition words:

Informal Formal
Anyways Nevertheless
Plus/Also Moreover/ Furthermore
But However
So Therefore/Thus
Also In addition, Additionally
ASAP as soon as possible/at your earliest convenience
Okay, OK Acceptable
In the meantime In the interim
I think In my opinion,
In the end, Finally
To sum up In conclusion,
In a nutshell/Basically To summarize,
Anyway, Notwithstandin

Following is a list of some formal and informal emphasis words:

Informal Formal
lots of/ a lot of much, many
tons of, heaps of large quantities of, a number of
totally completely, strongly
really, very Definitely

Following is a list of some formal and informal letter expressions:

Informal Formal
Hi Robert, Dear Sir or Madam
Just wanted to let you know… I am writing to inform you…
Love, Yours sincerely, Yours faithfully,
Cheers,  
Yours Truly, Best regards, kind regards  
Hope to hear from you soon I look forward to hearing from you
You can call me if you need anything Please do not hesitate to contact me

Following is a list of some formal and informal abbreviations:

Informal Formal
ASAP as soon as possible
T.V. Television
photo Photograph
cell cell phone
Net Internet

Following is a list of some formal and informal slang words:

Informal Formal
kids children
Bad negative
good positive
really big considerable
right correct
wrong incorrect
smart intelligent
cheap inexpensive

Quick Links

  1. Business English Vocabulary Words with Meanings
  2. Business Abbreviations and Acronyms for Corporates

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