Yes, since the term "waitress" has not yet fallen into general disuse like the term "bartendress", for instance.
Yes, the word "waitress's" is grammatically correct as the possessive form of "waitress." It follows the standard rule for forming the possessive with singular nouns ending in "s."
Yes, "evidenced" is a grammatically correct word. It is the past tense of the verb "evidence," meaning to show or prove something.
No, "Is they're pronounced" is not grammatically correct. It should be "Are they pronounced" to match the subject-verb agreement.
The correct spelling of the word "grammatically" is G-R-A-M-M-A-T-I-C-A-L-L-Y.
Yes, it is grammatically correct to end a sentence with the word "so." However, it may be informal or conversational in style.
No, the sentence is not grammatically correct. A more correct version could be: "Why was she promoted?" or "She was promoted, but why?"
Both are grammatically correct, but the normal word-order is "you are correct." The inverted word-order of "correct you are" is used for an emphatic, ironic or humorous effect.
No, "Is they're pronounced" is not grammatically correct. It should be "Are they pronounced" to match the subject-verb agreement.
No it isn't a grammatically correct word.
no
No, "am" is a conjugation of the verb "to be" that is used with the pronoun "I" in English. It is not correct to use "am" without the pronoun "I" in standard English grammar.
The correct spelling of the word "grammatically" is G-R-A-M-M-A-T-I-C-A-L-L-Y.
Yes, it is grammatically correct to end a sentence with the word "so." However, it may be informal or conversational in style.
yes it is a real word. It is also correct grammatically and more stupid is not correct.
Yes, it is.
The word "they're is pronounced grammatically correct. It is the shortened version of the words "they are".
The word "trueful" is not a recognized word in standard English. The correct term is "truthful."
Neither really. 'In' would be the word to use.