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instantaneous

adjective

/ˌɪnstənˈteɪniəs/

Meaning

Happening immediately, without any delay.

The change in temperature was almost instantaneous.

immediate, prompt, quick, rapid, sudden

delayed, slow

instantaneous reaction, instantaneous effect, almost instantaneous

in a state of confusion, disorder, or upside down

not wanted or accepted; not invited or pleasant

Susceptible to flooding; likely to experience floods frequently.

Extremely painful or causing great suffering; relating to or involving torture.

relating to sexual intercourse or sexually transmitted diseases

mentally ill; extremely foolish; wildly enthusiastic about something