1
Adjective, impossibly big or hard to understand.
2
Antonym: cheerful
4
Shaking hands, nodding yes, or signing a treaty are all examples of this.
5
Adj, constantly disagreeing
6
noun, to be trustworthy
7
Verb, to commit an act
8
Synonym: native
11
verb, to learn or discover
12
The opposite of 18 across
13
Shares a word family with a formation commonly found in space
14
_________ behavior
15
Sister word of sympathy
16
To provide relief from pain.
17
Tax __________
18
the opposite of 12 down
19
Often used to describe wild animals
20
They held a candlelight __________