Dictionary.com
Thesaurus.com
Synonyms

blast off

Idioms  
  1. Also, blast away . Take off or be launched, especially into space, as in They're scheduled to blast off on Tuesday . This usage originated with the development of powerful rockets, spacecraft, and astronauts, to all of which it was applied. [c. 1950]

  2. Depart, clear out, as in This party's over; let's blast off now . [ Slang ; early 1950s]

  3. Become excited or high, especially from using drugs, as in They give parties where people blast off . [ Slang ; c. 1960]


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

China, after all, is scheduled to put men on the moon by 2030, though not before Artemis III and IV blast off.

From The Wall Street Journal • Apr. 14, 2026

I was filled with the same hope I had as a pre-teen watching Apollo 11 blast off for the historic moon landing.

From Salon • Apr. 3, 2026

Artemis II is slated to blast off at about 6:24 p.m.

From Barron's • Apr. 1, 2026

When it gets too exciting, stars can blast off violent storms, where they push hot, soup-like plasma into space.

From Space Scoop • Nov. 28, 2025

We knew that the crew would need a spacecraft able to blast off from Earth,

From "Reaching for the Moon" by Katherine Johnson

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "blast off" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com