Obscured with fog or smoke; murky. / (nautical) Caught in fog. / Confused, muddled.

simple past tense and past participle of befog

To envelop in fog or smoke. / To confuse, mystify (a person); to make less acute or perceptive, to cloud (a person’s faculties). / To obscure, make less clear (a subject, issue, etc.).

present participle of befog

Third-person singular simple present indicative form of befog