How to Pronounce Ultrafast

To pronounce "ultrafast", say ULTR-af-ast — 3 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.

ultrafast

Tap to hear · American accent

Accent

If an accent sounds the same, your device is missing that voice — it falls back to the closest one.

Speed

Syllable by syllable — tap each one

Practice: Record & Compare

Record yourself saying ultrafast, then compare with the target. Your audio stays on this device — nothing is uploaded.

3

Syllables

9

Letters

ULTR-af-ast

Say it like

💡 Tip for remembering “ultrafast

"ultrafast" has 3 syllables: ultr-af-ast.

What does ultrafast mean?

adjective

  1. Very fast, or of very short duration; especially concerning events that take place in femtosecond or picosecond timescales.

Related words

Frequently asked questions

How many syllables are in "ultrafast"?

"Ultrafast" has 3 syllables: ultr · af · ast.

What does "ultrafast" mean?

Ultrafast: Very fast, or of very short duration; especially concerning events that take place in femtosecond or picosecond timescales.

Want the definition, translations into 8 languages, and read-aloud for full sentences?

Open “ultrafast” in the full dictionary →