State anxiety describes the experience of unpleasent feelings when confronted with specific sitations, demands or a particular object or event.

Psychologists sometimes make a distinction between "state" and "trait" anxiety. Trait anxiety is a more enduring mood of being anxious while circumstances change. State anxiety is a relatively mercurial reaction of being anxious in response to circumstances.

ANXIETY : a state of nervousness, worry, or stress

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It means that you are stressed out or panicked. Or you might say that you are anxious or worried about everything. "Anxious" and "anxiety" are related words.