Answer:
Avoid euphemisms; be straightforward.
Replace neologisms with more commonly accepted words.
Avoid slang and colloquialisms.
Avoid unnecessary buzzwords which add no meaning to a sentence.
Avoid offensive words, phrases, clauses, avoid using an informal tone.
Replace expletives* with specific, active verbs.
Do not use first-person pronouns ("I," "me," "my," "we," "us," etc.). ...
Avoid addressing readers as "you." ...
Avoid the use of contractions. ...
Avoid nonstandard diction.