Definitions for "Invalid"
Of no force, weight, or cogency; not valid; weak.
When applied to a measurement scale, a lack of validity means that the numbers assigned do not reflect the true magnitude of the property being measured.  (Pronounced with the second syllable accented, to distinguish this adjective from the homographic noun designating a person in poor health.)
an argument is deductively invalid when it is possible for its conclusion to be false when the premises are true.
Erroneous or unrecognizable because of a flaw in reasoning or an error in input. Invalid results, for example, might occur if the logic in a program is faulty. fashala View
To dream of invalids, is a sign of displeasing companions interfering with your interest. To think you are one, portends you are threatened with displeasing circumstances.
adj. a possible constituent trait of a character which if present signifies that the character cannot ever appear in a token except under the control of a single escape character. For details, see Section 2.1.4.1 Constituent Characters adj. (of a character) being a character that has syntax type constituent in the current readtable and that has the constituent trait invalid 1. See Figure 2.1.4.2 Constituent Traits.
For example, an invalid cheque is worthless. That means, that you will not get the money that is written on the cheque. In general this is due to not filling in the cheque properly or
Keywords:  redraw, drawn, knows, content, window
An area of a window is invalid if the window server knows that its content was not drawn by the application. Applications may also invalidate parts of their own windows. See also: window  redraw
This predicts a delayed success if you were the invalid. If someone else was the invalid you can expect an appeal for help from a relative or friend.
Keywords:  enroll, classify
To classify or enroll as an invalid.
Keywords:  multi, curve, selected, memory, appears
In the Multi-Curve Option, this word appears when there is no curve stored in a selected memory location.