impromptu

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 nouns the difference between impromptu and bellwether

is that impromptu is (music) a short musical composition for an informal occasion often with the character of improvisation and usually to be played solo while bellwether is the leading sheep of a flock, having a bell hung round its neck.

As an adjective impromptu

is improvised; without prior preparation, planning or rehearsal; extemporaneous; unplanned.

As adjectives the difference between impromptu and temporary

is that impromptu is improvised; without prior preparation, planning or rehearsal; extemporaneous; unplanned while temporary is not permanent; existing only for a period or periods of time.

As nouns the difference between impromptu and temporary

is that impromptu is (music) a short musical composition for an informal occasion often with the character of improvisation and usually to be played solo while temporary is one serving for a limited time; short-term employee.

As adjectives the difference between unexpected and impromptu

is that unexpected is not expected, anticipated or foreseen while impromptu is improvised; without prior preparation, planning or rehearsal; extemporaneous; unplanned.

As a noun impromptu is

a short musical composition for an informal occasion often with the character of improvisation and usually to be played solo.

As an adjective impromptu

is improvised; without prior preparation, planning or rehearsal; extemporaneous; unplanned.

As a noun impromptu

is (music) a short musical composition for an informal occasion often with the character of improvisation and usually to be played solo.

As an adverb spontaneously is

in a spontaneous manner; naturally; voluntarily.

As adjectives the difference between interim and impromptu

is that interim is transitional while impromptu is improvised; without prior preparation, planning or rehearsal; extemporaneous; unplanned.

As nouns the difference between interim and impromptu

is that interim is a transitional or temporary period between other events while impromptu is 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 unconfirmed and impromptu

is that unconfirmed is not finally established, settled or confirmed while impromptu is improvised; without prior preparation, planning or rehearsal; extemporaneous; unplanned.

As a noun impromptu is

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 impromptu and capricious

is that impromptu is improvised; without prior preparation, planning or rehearsal; extemporaneous; unplanned while capricious is impulsive and unpredictable; determined by chance, impulse, or whim.

As a noun impromptu

is a short musical composition for an informal occasion often with the character of improvisation and usually to be played solo.

As an adjective impromptu

is improvised; without prior preparation, planning or rehearsal; extemporaneous; unplanned.

As a noun impromptu

is a short musical composition for an informal occasion often with the character of improvisation and usually to be played solo.

As an adverb promptly is

in prompt manner; both soon and quickly.

As adjectives the difference between impromptu and careless

is that impromptu is improvised; without prior preparation, planning or rehearsal; extemporaneous; unplanned while careless is (lb) free from care; unworried, without anxiety.

As a noun impromptu

is (music) a short musical composition for an informal occasion often with the character of improvisation and usually to be played solo.