invalidate is the only one i can think of try for the other one.
in
race
quick swift
its a tools that clens our house
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.
a compound word
An autoantonym is a single word which can have two completely opposite meanings.
Negative or positive
-rrhexis meaning to rupture
be
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Yes, it can be challenged if the word is actually invalid.