FALL OPEN

Pronunciation (US): (GB):

Meaning:

Open involuntarily

Example:

Her jaw dropped

Synonyms:

drop open; fall open

Classified under:

Verbs of walking, flying, swimming

Hypernyms (to "fall open" is one way to...):

drop; drop down; sink (fall or descend to a lower place or level)

Sentence frame:

Something ----s