4/29~5/3
4/29
aurora borealis noun
an aurora that occurs in earth's northern hemisphere —called also northern lights
preliminary noun
something that precedes or is introductory or preparatory
Ex: A meeting to discuss seating arrangements that was merely a preliminary to the formal negotiating sessions.
tribesman noun
a member of a tribe
agility noun
the quality or state of being agile : nimbleness, dexterity
Ex: played with increasing agility
pivot noun
a shaft or pin on which something turns
Ex: an issue that is the real pivot of the controversy
4/30
cessation noun
a temporary or final ceasing (as of action) : stop
Ex: Relapses after cessation of treatment are common.
inconceivable adjective
not conceivable: as : impossible to comprehend
Ex: The fire caused an inconceivable amount of damage.
porcupine noun
any of various relatively large slow-moving chiefly herbivorous rodents having sharp erectile spines mingled with the hair and constituting an Old World terrestrial family (Hystricidae) and a New World chiefly arboreal family (Erethizontidae)
calamity noun
a disastrous event marked by great loss and lasting distress and suffering
Ex: calamities of nature, an economic calamity
multitudinous adjective
including a multitude of individuals : populous
Ex: the multitudinous city
5/1
detrain verb
to get off a railroad train
Ex: They were the first passengers to detrain.
excrescence noun
a projection or outgrowth especially when abnormal
Ex: warty excrescences in the colon
obscure adjective
not clearly seen or easily distinguished : faint
Ex: obscure markings
palpitate verb
to beat rapidly and strongly : throb
Ex: My heart began to palpitate when I was announced as the winner.
herbivorous adjective
feeding on plants
Ex: herbivorous mammals
5/2
certitude noun
the state of being or feeling certain
Ex: believes with certitude that he is the best candidate for the job>
rigorous adjective
marked by extremes of temperature or climate
formidable adjective
causing fear, dread, or apprehension
Ex: a formidable prospect
paroxysm noun
a sudden violent emotion or action : outburst
Ex: a paroxysm of rage
conceal verb
to prevent disclosure or recognition of
Ex: conceal the truth
5/3
penetrate verb
to pass into or through
melancholy noun
an abnormal state attributed to an excess of black bile and characterized by irascibility or depression
obliterate verb
to remove utterly from recognition or memory
ammunition noun
the projectiles with their fuses, propelling charges, or primers fired from guns
riotous adjective
of the nature of a riot : turbulent
