instructive
UK/in'strʌktiv/US
TOEFLGREB2
Definitions
adj.
Useful because it teaches you something; enlightening
有教育意义的，有启发性的
Root Breakdown
Root-derivedin-not, opposite of
+
-ivetending to, having the nature of
=instructive
instruct (build knowledge into) + -ive (tending to) = tending to teach — something that builds your understanding.
Root struct still carries 18 more wordsExample Sentences
- 1.
The documentary was both entertaining and instructive.
- 2.
It is instructive to compare the two approaches.