reckon withoutsomething
phrasal verbwithreckonverbuk/ˈrek.ən/us/ˈrek.ən/
UKtofailtothinkabout something when you are makingplansandthereforenot bepreparedtodealwith it:
We'dexpecteda two-hourdrivebut hadreckonedwithout therain.
Not expected or planned
- abruptly
 - abruptness
 - ad hoc
 - ad hocism
 - ad hockery
 - extemporize
 - hoof
 - inconceivably
 - innocent
 - innocently
 - instinctive
 - instinctively
 - spirit
 - spontaneity
 - spontaneous
 - spontaneously
 - steepness
 - unannounced
 - unwitting
 - unwittingly