Learn how to say Wimpiness correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word wimp:
a weak and cowardly or unadventurous person.
[no object] (wimp out)
fail to do or complete something as a result of fear or lack of confidence:
anyone who wimped out because of the weather missed the experience of a lifetime
adjective (wimpier, wimpiest)
1920s: origin uncertain, perhaps from whimper