The phrase "informal words" is correct and can be used in written English.
It refers to words or language that is more casual, relaxed, or conversational in nature, as opposed to formal or academic language. Example: "In this essay, I will be discussing the use of informal words in colloquial speech and the impact it has on communication."
In Venezuela, chamo and pana are informal words of greeting and in Citi Field this summer they are sure to be heard on the field and on the mound.
For instance, informal words are more likely to occur in a spoken-style utterance while formal words are more likely to occur in a written-style utterance.
There's nothing new about "nano" in conjunction with a very small iPod or scientific words like "nanotubes," but slangy, informal words like "nano-brained" are adding fancy new features to the insulter's toolbox.
In other informal words, λ is a frequency ("conditional intensity") of binding attempts to the promoter when it is not occupied by another polymerase or a factor.
Colloquialisms are informal words, phrases or slang in a piece of writing.
You can use informal words to remind your friend that you are fun.
Katchi is also the informal word for classes before grade one – an umbrella term for nursery and kindergarten in Pakistan.
Mr Johnston reports that in pilot areas bobbies have been solving adolescent scuffles with an informal word, rather than rounds of interviews and reports.
They work to replicate the informal word-of-mouth networks of support that the most privileged take for granted, yet remain out-of-reach for far too many.
I had more trouble getting the second, and when it came, I noticed the Köbes brusquely called me "du," the informal word for "you" that an adult might use to address a child.
When Mark Wahlberg chats with E Entertainmentt about who designed his tux, his body language looks very similar to Wills and Kate coming over for a wonderfully informal word with RNLI workers, or the Queen dispensing Maundy money to the poor.
