idiosyncratic

As adjectives the difference between distinctive and idiosyncratic

is that distinctive is that serves to distinguish between things while idiosyncratic is peculiar to a specific individual; eccentric.

As adjectives the difference between idiosyncratic and atypical

is that idiosyncratic is peculiar to a specific individual; eccentric while atypical is not conforming to the normal type.

As a noun atypical is

an atypical antipsychotic.

Unconventional is a related term of idiosyncratic.

As adjectives the difference between unconventional and idiosyncratic

is that unconventional is not adhering to convention or accepted standards while idiosyncratic is peculiar to a specific individual; eccentric.

As a noun unconventional

is something or someone that is unconventional.

As adjectives the difference between unique and idiosyncratic

is that unique is being the only one of its kind; unequaled, unparalleled or unmatched while idiosyncratic is peculiar to a specific individual; eccentric.

As a noun unique

is a thing without a like; something unequalled or unparallelled.

Idiosyncratic is a related term of sick.

As adjectives the difference between idiosyncratic and sick

is that idiosyncratic is peculiar to a specific individual; eccentric while sick is in poor health.

As a noun sick is

sick people in general as a group.

As a verb sick is

to vomit or sick can be (rare).

Idiosyncratic is a related term of capricious.

As adjectives the difference between idiosyncratic and capricious

is that idiosyncratic is peculiar to a specific individual; eccentric while capricious is impulsive and unpredictable; determined by chance, impulse, or whim.

Irregular is a related term of idiosyncratic.

As adjectives the difference between irregular and idiosyncratic

is that irregular is irregular while idiosyncratic is peculiar to a specific individual; eccentric.

Idiosyncratic is a related term of extraordinary.

As adjectives the difference between idiosyncratic and extraordinary

is that idiosyncratic is peculiar to a specific individual; eccentric while extraordinary is not ordinary; exceptional; unusual;.

As an adjective idiosyncratic

is peculiar to a specific individual; eccentric.

As a proper noun Bezhta is

a North Caucasian language, spoken primarily in southern Dagestan, Russia.

As adjectives the difference between freakish and idiosyncratic

is that freakish is resembling a freak while idiosyncratic is peculiar to a specific individual; eccentric.