breakthrough has definitions from the fields of military,psychology
1
[ noun ] making an important discovery

Used in print

(Public Papers of the Presidents of the U.S. D. D....)

Furthermore , unexpectedly rapid progress or a technological break-through on any one weapon_system , in itself , often diminishes the relative importance of other competitive systems .

Related terms

discovery

2
[ noun ] (psychology) a productive insight

Synonyms

discovery find

Used in print

(Howard Nemerov, "Themes and Methods: The Early...)

The specific analogy to the dilemma of love is the problem of the `` breakthrough '' in the realm of art .

Related terms

insight learn discover discover

3
[ noun ] (military) a penetration of an enemy's defense in depth and strength

Related terms

penetration break_through

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