big bang

Dramatic loud noise

A big bang is any dramatic, explosive beginning—the sudden launch of a project, initiative, or era: The company entered the market with a big bang.

The phrase emphasizes impact and spectacle over gradual development. (Capitalized Big Bang is the cosmological theory.)

Opposites
cosmological origin vs. end

big bangbig crunch

Powerful crushing impact

heat death · big freeze · whimper · slow fade · entropy

dramatic intensity of ending

big bangwhimper

Quiet, plaintive cry

fizzle · petering out · anticlimax · soft landing

Family

bigger, biggest, bigly, bigness, big-hearted, Big Ben, Big Dipper, Bigfoot, Big Apple

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G