insane

🇬🇧 UK/ɪnˈseɪn/🇺🇸 US/in'sein/

IELTSTOEFLGREB1

Definitions

adj.

Severely mentally ill; utterly mad; extremely foolish or unreasonable.

精神失常的，疯狂的；极其荒唐的

🧩 Root Breakdown

Root-derived

innot, opposite of

+

sanestem

=insane

Common Collocations

1.insane asylum精神病院
2.insane person精神失常的人
3.[absolutely] insane[完全]疯狂的

Example Sentences

1.
The insane behavior of the suspect indicated severe mental illness.
2.
The insane prices at this luxury store are absolutely ridiculous.

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