Educational

unrivaled
[uhn-rahy-vuhld]
better or greater than any other

vehement
[vee-uh-muhnt]
zealous; ardent; impassioned

tyrannical
[tyr-ann-ik-al]
exercising power in a cruel or oppressive way.

persecute
[pe-rse-ute]
harass or annoy persistently.

catalyst
[kat-l-ist]
something that causes activity between two or more persons or forces without itself being affected

vouch
[vouch]
to support as being true, certain, reliable, etc.

arch
[arch]
a curved structure spanning an opening; also used to describe someone mischievously playful or superior.

implore
[im-plawr]
to beg urgently or piteously, as for aid or mercy; beseech; entreat

aspire
[uh-spahyuhr]
to long, aim, or seek ambitiously; be eagerly desirous, especially for something great or of high value

ricochet
[rik-uh-shey]
the motion of an object or a projectile in rebounding or deflecting one or more times from the surface over which it is passing or against which it hits a glancing blow

zeitgeber
[tsahyt-gey-ber]
an environmental cue, as the length of daylight or the degree of temperature, that helps to regulate the cycles of an organism's biological clock

achene
[ey-keen]
a small, dry one-seeded fruit that does not open to release the seed

concede
[kuhn-seed]
to acknowledge as true, just, or proper; admit

placate
[pley-keyt]
to appease or pacify, especially by concessions or conciliatory gestures

heebie-jeebies
[hee-bee-jee-beez]
a feeling of nervousness or fear

abrogation
[ab-ruh-gey-shuhn]
the repeal or abolition of a law, right, or agreement

burnish
[bur-nish]
to polish (a surface) by friction

surfeit
[sur-fit]
excess; an excessive amount

traverse
[trav-ers]
to pass or move over, along, or through

plenteous
[plen-tee-uhs]
plentiful; copious; abundant

apportion
[uh-pawr-shuhn]
to distribute or allocate proportionally; divide and assign

pleasureless
[plezh-er-less]
lacking joy or satisfaction

scrupulous
[skroo-pyuh-luhs]
punctiliously or minutely careful, precise, or exact

omnipresent
[om-nuh-prez-uhnt]
present everywhere at the same time
