rapier

As adjectives the difference between rapier and false

is that rapier is extremely sharp while false is (label) one of two states of a boolean variable; logic.

As a noun rapier

is a slender, straight, sharply pointed sword (double-edged, single-edged or edgeless).

As adjectives the difference between rapier and undefined

is that rapier is extremely sharp while undefined is lacking a definition or value.

As a noun rapier

is a slender, straight, sharply pointed sword (double-edged, single-edged or edgeless).

As nouns the difference between rapier and kilij

is that rapier is a slender, straight, sharply pointed sword (double-edged, single-edged or edgeless) while kilij is a kind of turkish saber.

As an adjective rapier

is extremely sharp.

As nouns the difference between rapier and scimitar

is that rapier is a slender, straight, sharply pointed sword (double-edged, single-edged or edgeless) while scimitar is a sword of persian origin that features a curved blade.

As an adjective rapier

is extremely sharp.

As nouns the difference between rapier and longsword

is that rapier is a slender, straight, sharply pointed sword (double-edged, single-edged or edgeless) while longsword is a sword of a kind used in mediaeval Europe for hewing, thrusting and slicing. It is well suited to two-handed use in combat, but some can also be used in one hand.

As an adjective rapier

is extremely sharp.

As nouns the difference between greatsword and rapier

is that greatsword is any generally straight bladed double edged sword large enough that it required the use of two hands to wield it effectively while rapier is a slender, straight, sharply pointed sword (double-edged, single-edged or edgeless).

As an adjective rapier is

extremely sharp.

As nouns the difference between rapier and swordfish

is that rapier is a slender, straight, sharply pointed sword (double-edged, single-edged or edgeless) while swordfish is a large marine fish with a long, pointed bill, xiphias gladius .

As an adjective rapier

is extremely sharp.

As a verb swordfish is

to fish for swordfish.

As nouns the difference between rapier and macuahuitl

is that rapier is a slender, straight, sharply pointed sword (double-edged, single-edged or edgeless) while macuahuitl is an aztec obsidian sword or club.

As an adjective rapier

is extremely sharp.

Foil is a coordinate term of rapier.

As nouns the difference between rapier and foil

is that rapier is a slender, straight, sharply pointed sword (double-edged, single-edged or edgeless) while foil is a very thin sheet of metal.

As an adjective rapier

is extremely sharp.

As a proper noun FOIL is

a particular algorithm for multiplying two binomials.

As a verb FOIL is

to apply the FOIL algorithm to.