instant

As adjectives the difference between instant and written

is that instant is (dated) impending; imminent while written is of, relating or characteristic of writing (ie, of that which has been written).

As a noun instant

is a very short period of time; a moment.

As an adverb instant

is (poetic) at once; immediately.

As a verb written is

.

As nouns the difference between instant and circumstance

is that instant is a very short period of time; a moment while circumstance is that which attends, or relates to, or in some way affects, a fact or event; an attendant thing or state of things.

As an adjective instant

is (dated) impending; imminent.

As an adverb instant

is (poetic) at once; immediately.

As a verb circumstance is

to place in a particular situation, especially with regard to money or other resources.

As nouns the difference between eternity and instant

is that eternity is (uncountable) existence without end, infinite time while instant is a very short period of time; a moment.

As an adjective instant is

(dated) impending; imminent.

As an adverb instant is

(poetic) at once; immediately.

As adjectives the difference between instant and undefined

is that instant is (dated) impending; imminent while undefined is lacking a definition or value.

As a noun instant

is a very short period of time; a moment.

As an adverb instant

is (poetic) at once; immediately.

As adjectives the difference between instant and convenient

is that instant is impending; imminent while convenient is of or pertaining to convenience; simple; easy; expedient.

As a noun instant

is a very short period of time; a moment.

As an adverb instant

is at once; immediately.

As adjectives the difference between instant and extended

is that instant is (dated) impending; imminent while extended is longer in length or extension; elongated.

As a noun instant

is a very short period of time; a moment.

As an adverb instant

is (poetic) at once; immediately.

As a verb extended is

(extend).

As nouns the difference between instant and impromptu

is that instant is a very short period of time; a moment while impromptu is (music) a short musical composition for an informal occasion often with the character of improvisation and usually to be played solo.

As adjectives the difference between instant and impromptu

is that instant is (dated) impending; imminent while impromptu is improvised; without prior preparation, planning or rehearsal; extemporaneous; unplanned.

As an adverb instant

is (poetic) at once; immediately.

As adjectives the difference between transient and instant

is that transient is passing or disappearing with time; transitory while instant is (dated) impending; imminent.

As nouns the difference between transient and instant

is that transient is something which is transient while instant is a very short period of time; a moment.

As an adverb instant is

(poetic) at once; immediately.

Speedy is a related term of instant.

As adjectives the difference between speedy and instant

is that speedy is rapid; swift while instant is (dated) impending; imminent.

As a noun instant is

a very short period of time; a moment.

As an adverb instant is

(poetic) at once; immediately.

Instant is a related term of signification.

As nouns the difference between instant and signification

is that instant is a very short period of time; a moment while signification is the act of signifying, or something that is signified; significance.

As an adjective instant

is (dated) impending; imminent.

As an adverb instant

is (poetic) at once; immediately.