unsanguine

As a noun terms

is .

As an adjective unsanguine is

not sanguine; timid, pessimistic, etc.

As a verb ensanguine

is to stain with blood.

As an adjective unsanguine is

not sanguine; timid, pessimistic, etc.

As adjectives the difference between pessimistic and unsanguine

is that pessimistic is marked by pessimism and little hopefulness; expecting the worst while unsanguine is not sanguine; timid, pessimistic, etc.

As adjectives the difference between timid and unsanguine

is that timid is timid; shy while unsanguine is not sanguine; timid, pessimistic, etc.

As adjectives the difference between sanguine and unsanguine

is that sanguine is having the colour of blood; red while unsanguine is not sanguine; timid, pessimistic, etc.

As a noun sanguine

is blood colour; red.

As a verb sanguine

is to stain with blood; to impart the colour of blood to; to ensanguine.