the deep end
Definition of the deep end
informal
—used in phrases such as throw in (at) the deep end and jump in (at) the deep end to describe starting a new and difficult activity when one is not fully prepared or ready to do it After graduating, he was not afraid to jump in at the deep end and start his new business alone. Teachers are thrown in the deep end when they first start teaching.
From the M-W Editors
Word by Word Definitions
: extending far from some surface or area: such as
: extending far downward
: extending well inward from an outer surface
: to a great depth : deeply
: far on : late
: near the outer limits of the playing area
: a vast or immeasurable extent : abyss
: the extent of surrounding space or time
: ocean
: the part of an area that lies at the boundary
: a point that marks the extent of something
: the point where something ceases to exist
: to bring to an end
: destroy
: to make up the end of
: final, ultimate
: to put (grain or hay) into a barn or stack
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