Synonyms of instantly

instantly 1 of 2

adverb

ˈin(t)-stənt-lē 

as in immediately

without delay

showed leadership by reacting instantly to the crisis

Synonyms & Similar Words

• immediately
• promptly
• now
• directly
• instantaneously
• quickly
• right
• suddenly
• shortly
• soon
• away
• forthwith
• straightaway
• at once
• bang
• on the spot
• off the bat
• right now
• incontinently
• in no time
• right off
• right away
• straightway
• presently
• on the double
• straight off
• rapidly
• swiftly
• abruptly
• headlong
• momentarily
• instanter
• PDQ
• on a dime
• readily
• pronto
• freely
• plumb
• quick
• speedily
• fast
• unexpectedly
• hastily
• briskly
• swift
• impulsively
• presto
• recklessly
• apace
• fleetly
• impetuously
• rashly
• punctually
• opportunely
• seasonably
• anon
• posthaste
• snappily
• full tilt
• exactly

Antonyms & Near Antonyms

• slowly
• late
• tardily

instantly

2 of 2

conjunction

as in when

just at the moment that

we realized there would be problems instantly we saw the final report

Synonyms & Similar Words

• when
• immediately
• once
• as soon as

Antonyms & Near Antonyms

• after
• since
• directly

Example Sentences

Recent Examples of instantly

Adverb

While Apple hasn't detailed every way LG's hardware will integrate with Siri AI down the line, these intelligent summaries instantly make the new cameras feel future-proofed. — Andrew Gebhart, PC Magazine, 14 Oct. 2026

The new trailer offers a brief tease of the instantly-iconic concert, in which Winter headlined Carnegie Hall for one night only at the age of 23. — Christian Zilko, IndieWire, 14 Oct. 2026

Few pieces have quite the same ability to make an outfit feel instantly cooler. — Christina Holevas, Vogue, 14 Oct. 2026

The performance was a master class in spectacle, pairing Jackson’s precision choreography and instantly recognizable costumes with a message of global unity. — Spin Staff, SPIN, 13 Oct. 2026