unceremonious

As a letter s

is the letter s with a.

As an adjective unceremonious is

not ceremonious.

As an adjective unceremonious

is not ceremonious.

As a noun null is

zero, nil; the cardinal number before einn.

Inofficial is a synonym of unceremonious.

As adjectives the difference between inofficial and unceremonious

is that inofficial is (l) while unceremonious is not ceremonious.

Snappish is a related term of unceremonious.

As adjectives the difference between snappish and unceremonious

is that snappish is likely to snap or bite while unceremonious is not ceremonious.

Informal is a related term of unceremonious.

As a verb informal

is to inform (to communicate knowledge to others).

As an adjective unceremonious is

not ceremonious.

As adjectives the difference between unceremonious and uncouth

is that unceremonious is not ceremonious while uncouth is (archaic) unfamiliar, strange, foreign.

As adjectives the difference between unceremonious and casual

is that unceremonious is not ceremonious while casual is happening by chance.

As a noun casual is

(british|nz) a worker who is only working for a company occasionally, not as its permanent employee.

Unceremonious is a related term of disconnected.

As adjectives the difference between unceremonious and disconnected

is that unceremonious is not ceremonious while disconnected is that is no longer connected.

As a verb disconnected is

(disconnect).

Hasty is a related term of unceremonious.

As adjectives the difference between hasty and unceremonious

is that hasty is acting in haste; being too hurried or quick (eg without much thinking about it they made a hasty decision to buy it ) while unceremonious is not ceremonious.

Unwarranted is a related term of unceremonious.

As adjectives the difference between unwarranted and unceremonious

is that unwarranted is not warranted; unjustified; being without warrant, authority, or guaranty; unwarrantable while unceremonious is not ceremonious.