Being affected by delusions.

simple past tense and past participle of delude

(transitive) To deceive into believing something which is false; to lead into error; to dupe. / (transitive, obsolete) To frustrate or disappoint.

Third-person singular simple present indicative form of delude

present participle of delude

plural of deluder

Someone who deludes

Capable of being deluded; gullible.

under a delusion

The state of being deluded.