rudimentary
adjective
°of or related to one or more rudiments.
"I have only a rudimentary grasp of chemistry."
°Basic; minimal; with less than, or only the minimum, necessary.
"His grasp of rudimentary English allowed him at least to do the shopping."
agog
verb
°In a state of high anticipation or interest.
°Highly excited. Anxious, eager, impatient.
adjective
°In eager desire; eager; astir.
°Wide open, principally used of eyes.
synonyms: all-a-gog
ravage
verb
°To devastate or destroy something.
°To pillage or sack something, to lay waste to something.
noun
°Grievous damage or havoc.
°Depredation or devastation.