Learn how to say Synoptical correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word synoptically:
in a manner that summarises
(New Testament) in a manner that presents the narrative of Christ’s life, ministry, etc from a point of view held in common by the Gospels of Matthew, Mark, and Luke, and in a similar style
(geography) in a manner that shows or is concerned with the distribution of meteorological conditions over a wide area at a given time