Synonyms for

Instantly

Verb / ˈɪnstʌntli: / Another word for instantly — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

Immediately; without any delay.

Synonyms & similar words

atonce straightoff rightaway straightaway inaflash likeashot outright instantaneously now forthwith immediately directly immediately promptly quickly swiftly instantaneously straightaway urgently hastily expeditiously speedily rapidly fast snappily

Synonyms by register

Formal

immediately promptly forthwith without delay

Informal

right away in a flash like that super quick

Literary

anon ere long

Antonyms

eventually gradually later slowly delayed afterward

Common collocations

  • instantly recognizable
  • instantly appealing
  • instantly forget
  • instantly know
  • instantly change
  • instantly available
  • instantly gratifying

Word family

noun instant
adjective instant

Usage note

While 'instantly' often implies immediate action, it can also be used to describe something that happens very quickly, even if not strictly instantaneous. Avoid using it for things that are clearly impossible to happen in zero time.

Example sentences

  1. I will respond to your email instantly.
  2. He ate his food instantly.
  3. She was instantly happy when she saw her friend.
  4. The flowers died instantly in the cold weather.
  5. The dog ran away instantly when he saw the cat.

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