opening

Synonyms: aperture breach break cavity chink cleft crack cranny crevice cut discontinuity door fissure hatch interstice mouth orifice outlet perforation recess rent rift rupture scuttle slit slot space split spout tear vent window

Antonyms: closing closure solid

Synonyms: availability big break connection cut fling go go-at in the running iron in the fire look-in occasion opportunity place possibility run scope shot show squeak time vacancy whack

Antonyms: misfortune

Synonyms: birth coming out commencement curtain-raiser dawn inauguration inception initiation kickoff launch launching onset opener outset start

Antonyms: closing conclusion ending finish