dementedly

• 形容行为极度不理性、疯狂，或表明严重的精神失常，常伴有强烈的激动或丧失理智。

Describes behavior that is wildly irrational, frenzied, or suggestive of a severely impaired mental state, often marked by extreme agitation or lack of reason.

1. In a mad or frenzied mannerC1formal

   Performing actions in a wildly uncontrolled, frantic way, as if driven by insanity, often involving chaotic energy or irrational decisions.

   疯狂地，发狂地

   • He laughed madly at a joke no one else understood, pacing back and forth with wild eyes.
   • Crazed with panic, she flung the papers around the room searching for a document that didn't exist.
   • The character in the horror film cackled with unhinged glee as the lights flickered.
   • Driven to distraction by grief, he wandered the streets shouting incoherently.
   • They started tearing at the wallpaper in a frenzied attempt to find the hidden safe.

   同义词crazilydeliriouslyfeverishlyfranticallyfrenziedlyhystericallyinsanelymadlymaniacally

   反义词calmlylucidlyrationallysanelysensiblysoberly

2. Suggestive of dementia or mental deteriorationC2formalmedical

   Acting in a manner that implies severe cognitive decline, confusion, or loss of contact with reality, often seen in advanced neurological conditions.

   痴呆地，精神衰退地

   • The elderly patient muttered to herself confusedly, repeating fragmented memories as if they were happening.
   • In a state of deep disorientation, he attempted to unlock his front door with a toothbrush.
   • She stared vacantly at her family, not recognizing a single face in the group.
   • He insisted with complete conviction that the year was still a decade before his own birth.
   • The once-sharp professor now rambled incoherently about conspiracies, showing clear signs of a deteriorating mind.

   同义词crazilydeliriouslyinsanelymadly

   反义词clearlycoherentlylucidlyrationallysanely