olemus
Wiktionary:
5. occurring immediately; immediate; present.
Synonyms: instantaneous; see also Thesaurus:instantaneous
6. lasting for a short moment; momentary; short-lived
Synonyms: brief, transient; see also Thesaurus:ephemeral
7. very quickly and easily prepared
instant coffee; instant noodles; instant mashed potato;
instant photo

näiteid
in an instant -- silmapilkselt
instant coffee -- lahustuv kohv, kiirkohv
instant danger -- vahetu oht
instant death -- silmapilkne surm
instant getaway -- (sõiduki) kiirendusvõime
instant replay -- viivitamatu taasesitus
instant soup -- kiirsupp
instant start lamp -- hetksüütelamp
instant whip -- lahustuv piimapuding
instantly -- kohe
this instant -- kohe, silmapilkselt