aposiopesis /ə-pos-i-ō-pēˈsis or ap-ō-sī-/

A sudden breaking off in the midst of a sentence, eg Shakespeare, Macbeth I.7.58, ‘If we should fail—’

aposiopetic /-petˈ/ adjective

• downspouts
• Down's syndrome
• downstage
• downstair
• downstairs
• downstate
• downstates
• downstream
• downstroke
• downstrokes
• downswing
• downswings
• down the drain
• down the hatch
• down the line
• down-the-line
• down the road
• declasses
• declassification
• declassified
• declassifies
• declassify
• declassifying
• declassing
• declension