extemporaneousaproposperspicaciousedacioussereesurientdried-upsagaciousextemporarytimely
extemporaneous - Carried out or performed with little or no preparation.
Synonyms: extemporary, extempore, impromptu, off-the-cuff,
offhand, offhanded, unrehearsed, ad-lib
Usage: She was asked to perform an extemporaneous piano recital
for their dinner guests.
apropos - Being at once opportune and to the point.
Synonyms: relevant, timely
Usage: She was so hungry that the question of lunch was very
apropos.
perspicacious - Having or showing penetrating mental
discernment; clear-sighted.
Synonyms: sagacious, sapient
Usage: She was much too perspicacious to be taken in by such a
spurious argument.
edacious - Characterized by voracity; devouring.
Synonyms: ravenous, voracious, wolfish, esurient, rapacious,
ravening
Usage: The edacious vultures soon devoured the animal's remains.
sere - Withered; dry.
Synonyms: dried-up, shrivelled, sear, withered
Usage: The desert was edged with sere vegetation.
