'Extemporize' definitions:

Definition of 'extemporize'

(from WordNet)
verb
Manage in a makeshift way; do with whatever is at hand; "after the hurricane destroyed our house, we had to improvise for weeks" [syn: improvise, extemporize]
verb
Perform without preparation; "he extemporized a speech at the wedding" [syn: improvise, improvize, ad-lib, extemporize, extemporise]

Definition of 'Extemporize'

From: GCIDE
  • Extemporize \Ex*tem"po*rize\, v. i. [imp. & p. p. Extemporized; p. pr. & vb. n. Extemporizing.] To speak extempore; especially, to discourse without special preparation; to make an offhand address. [1913 Webster]

Definition of 'Extemporize'

From: GCIDE
  • Extemporize \Ex*tem"po*rize\, v. t. To do, make, or utter extempore or off-hand; to prepare in great haste, under urgent necessity, or with scanty or unsuitable materials; as, to extemporize a dinner, a costume, etc. [1913 Webster]
  • Themistocles . . . was of all men the best able to extemporize the right thing to be done. --Jowett (Thucyd. ). [1913 Webster]
  • Pitt, of whom it was said that he could extemporize a Queen's speech --Lord Campbell. [1913 Webster]

Synonyms of 'extemporize'

From: Moby Thesaurus