The word demonstrate does not have a precise opposite, other than "fail to demonstrate" but sometimes we can make a distinction between demonstration and assertion. That is the difference between showing and telling.
attract
The opposite would have to be "non-example" which is not an actual word although it appears in Wiktionary.The opposite of inspiration by example would be inspiration by appeal.
In Book 9, Odysseus reveals his arrogance and lack of self-restraint when he tells Polyphemus his true identity, leading to dangerous consequences for his men. Odysseus's lies and deceit, such as pretending to be a beggar upon his return to Ithaca, show a lack of integrity and honor as a hero. His prolonged absence from home and dalliances with other women, like Calypso and Circe, demonstrate a lack of loyalty to his wife, Penelope.
two student, coming from opposite direction,run around a corner and crash into each other.both end up staggering backwards
The verb form of demonstration is demonstrate.Other verbs are demonstrates, demonstrating and demonstrated."We will demonstrate the steps to you"."They have demonstrated this before".
To demonstrate means to show or make something clear through evidence or examples. For example, "The scientist was able to demonstrate the effectiveness of the new drug in treating the disease."
You did not specify if you're speaking of the verb or the noun. To show means to demonstrate something. The opposite of that would be to hide or to cover up. You could also say to confuse or to conceal.
The past tense of demonstrate is demonstrated.
Allow Me to Demonstrate was created in 2005.
IT would be Tom will you demonstrate for the class
Demonstrate is a verb - to establish by argument or reasoning
The present tense of "demonstrate" is "demonstrates" for third person singular (he/she/it) and "demonstrate" for all other subjects.