instantaneous

adjective
/ˌɪnstənˈteɪniəs/

Meaning

Happening immediately, without any delay.

Example Sentences

The change in temperature was almost instantaneous.

Synonyms

immediate, prompt, quick, rapid, sudden

Antonyms

delayed, slow

Collocations

instantaneous reaction, instantaneous effect, almost instantaneous

Related Vocabularies

happening not long ago; new; current;
hard and stiff; not able to bend; strict and unwilling to change
free from guilt or sin; pure; harmless; naive
relating to or used in a ceremony or formal occasion
Absolutely necessary; extremely important.
Soapy or having the qualities of soap.

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