ultratight

As a noun terms

is .

As an adjective ultratight is

extremely tight.

As adjectives the difference between ultratight and ultraright

is that ultratight is extremely tight while ultraright is (politics) extremely right-wing.

As adjectives the difference between ultralight and ultratight

is that ultralight is extremely light; weighing very little, of utmost lightness while ultratight is extremely tight.

As a noun ultralight

is an aircraft that weighs very little.

As adjectives the difference between tight and ultratight

is that tight is firmly held together; compact; not loose or open while ultratight is extremely tight.

As an adverb tight

is firmly, so as not to come loose easily.

As a verb tight

is (obsolete) to tighten.