The adjective 'invalid' has two different meanings:
1) Not legally factual; without foundation in fact or law; falsely based or reasoned.
2) Incapacitated by illness or injury.
Example sentences:
1) He was driving with an invalid license which had expired months ago.
2) That space is marked as 'invalid parking', let's check the next row.
Example sentence - The ticket was invalid because the expiration date had passed.
you don't LOL
There is an adjective in that question. An adjective describes a noun or a pronoun. In some cases, the same word can be either an adjective or an adverb.
When one is used before a noun, it is an adjective.Examples:This is one sentence with the adjective form.This is one example of using the word.
You can just put something in the sentence that is going to be radioactive that's all.
My neighbor is an invalid.
Example sentence - The ticket was invalid because the expiration date had passed.
The word invalid is an adjective. It describes something that is not valid.
The old man was an invalid; he could no longer take care of himself.
Like telling someone.. "Is an invalid sentence." would be incorrect. "That is an invalid sentence." would be correct.
by adjective in the sentence
In a sentence.
the little boy in the wheel chair is an invalid person. Invalid means sick, disabled, or diseased person
NO but in the sentence "Use of the word "in" as an adjective is IN these days" the IN is an adjective
The premises on which he based his conclusions were invalid.
An adjective describes a noun.
'He was a worried boy.' In this sentence worried is describing the boy, therefore worried is an adjective.