As a noun sociopath

is a person with an antisocial personality disorder, exhibiting antisocial behavior that usually is the result of social and environmental factors in the person's early life.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As nouns the difference between gatehouse and portcullis

is that gatehouse is a lodge besides the entrance to an estate; often the residence of a gatekeeper; also a dwelling formerly used as such a residence while portcullis is a gate in the form of a grating which is lowered into place at the entrance to a castle, fort, etc.

As a verb portcullis is

to obstruct with, or as with, a portcullis; to shut; to bar.

As nouns the difference between partisan and fans

is that partisan is partisan (member of a body of detached light troops) while fans is .

In lang=en terms the difference between burst and collapse

is that burst is to produce as an effect of bursting while collapse is to pass out and fall to the floor or ground, as from exhaustion or other illness; to faint.

As nouns the difference between burst and collapse

is that burst is an instance of, or the act of bursting while collapse is the act of collapsing.

As verbs the difference between burst and collapse

is that burst is to break from internal pressure while collapse is to fall down suddenly; to cave in.

As a noun brainwashing

is .

As an adjective false is

(label) one of two states of a boolean variable; logic.

As adverbs the difference between noticeably and apparently

is that noticeably is (manner) in a noticeable way while apparently is plainly; clearly; manifestly; evidently.

As nouns the difference between heads and presidents

is that heads is or heads can be (slang) high-grade marijuana while presidents is .

As an interjection heads

is a shouted warning that something is falling from above, mind your heads.

As a verb heads

is (head).

As nouns the difference between puffer and fugu

is that puffer is someone or something that puffs while fugu is blowfish: a delicacy popular in japan served raw as sushi that may, if improperly prepared, contain deadly levels of neurotoxins.

As adjectives the difference between evaluative and evaluable

is that evaluative is while evaluable is able to be evaluated in a certain way.

As a noun bravado

is a swaggering show of defiance or courage.

As a verb bluffing is

.