ease
If you do something thats not hard for you to do it.
propose
If you suggest a plan or idea.
portable
It is easy to move or carry.
penetrate
Something that goes into it or passes through something.
durable
It is strong and lasts a long time.
indebted
You are so grateful for something they did that you feel you owe them something in return.
undertaking
If you undertake a large or difficult task, you say that you will do it.
ingenious
Something that is ingenious is very clever and original.
melancholy
If you feel or look very sad.
insignificant
Something unimportant, usually because it is very small.
absorbed
Something, you are so interested in it that it takes all of your attention.
dilapidated
Something that is old and in bad condition.