problematical
difficult to deal with or solve
Episode vocabulary
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difficult to deal with or solve
in a way that is not based on reason or clear thinking
a child or person thought to have been secretly replaced by another
to make someone feel worried, uneasy, or disturbed
an old or nonstandard comparative of bad, meaning worse
to make someone feel more energetic or enthusiastic
to make something free of all harmful germs
to force an attacking enemy to move back
unable to make mistakes or be wrong
relating to travel or activity between planets
something that reduces or spoils the enjoyment of a situation
the fact of not being efficient or not using time, money, or effort well
to attract and hold someone's attention or interest strongly
the quality of being equal or having the same value, meaning, or effect
to spread in large numbers and cause damage or problems
relating to the space between stars
to impress someone very strongly, especially with beauty, skill, or style
the process of making something completely free from bacteria or other microorganisms
perfect or without faults
running away suddenly and quickly
to have a close relationship or connection with something, often so that one changes when the other changes
the presence of a large number of harmful insects or animals in a place
a strong urge to do something, especially one that is hard to control
a small tool used for engraving or carving hard material