Words similar to impromptu

Example sentences for: impromptu

How can you use “impromptu” in a sentence? Here are some example sentences to help you improve your vocabulary:

Last Sunday afternoon, Chatterbox was walking through TriBeCa and decided to pass by the impromptu memorial that she had been hearing so much about on television.
The second film this summer featuring a little boy who sees dead people gets decent reviews, but most say it's not as good as the similar box office smash The Sixth Sense . Echoes focuses on the little boy's father, played by Kevin Bacon in "one of his best performances" (Roger Ebert, the Chicago Sun-Times ). Bacon also possesses second sight, not to mention a compulsion to dig up his backyard following an impromptu hypnosis session at a party.
He looked back, and I recognized that old Kennedy competitiveness, the playful funhouse spirit epitomized by the famous impromptu touch football games at Hyannis Port.
Nixon gave an impromptu lecture about a president's heavy burden during wartime.
Summoned to the star's suite for an impromptu date, Thacker finds himself in the middle of a press junket for her latest film and ends up posing as a journalist from Horse and Hound --a bit that at once lampoons the idiocy of celebrity interviews and forces the pair into a witty (and sexy) collusion.