Keyword
negative
Info
FrequencyTop 100
Type
Kyōiku (4th grade) 
?
KankenLevel 7
Heisig1302
Readings
(93%)
(5%)
Mnemonic

You know how we use the height above the sea level to measure the elevation of a given piece of land, and everything below the sea level has a negative elevation? Here we have a pictograph of the sea level (the stroke at the top), and an arrow pointing to it from below.

Used in kanji (8 in total)
negate
cup of liquid
distort
cup of liquid [old]
embryo
great
???
and so forth
Used in vocabulary (1278 in total)
anxiety; uneasiness; worry; apprehension; fear; insecurity
wonderful; marvelous; strange; strangely enough; oddly enough; for some reason
dissatisfaction; discontent; displeasure; complaint; unhappiness
Examples (200 in total)
I always wondered about that.
This is really a very strange affair.
I wondered why people were staring at me.