Educational

pretend
[pr-et-end]
to act as if something is true when it is not; also refers to make-believe behavior.

brighten
[bry-ten]
to make or become lighter, happier, or more vivid

writhe
[rahyth]
to twist or contort the body in pain or discomfort

ordinal
[awr-dn-uhl ]
of or relating to order, rank, or position in a series

inject
[in-jekt]
to introduce a substance into something, typically a body or system

cover
[kuhv-er]
to place something over or upon to conceal, protect, or enclose

tally
[tal-ee]
a total count or score

permeate
[pur-mee-eyt]
to pass into or through every part of

smorgasbord
[smawr-guhs-bawrd]
an extensive array or variety

sienna
[see-en-uh]
a ferruginous earth used used as a yellowish-brown pigment (raw sienna) or, after roasting in a furnace, as a reddish-brown pigment (burnt sienna)

accretion
[uh-kree-shuhn]
an increase by natural growth or by gradual external addition; growth in size or extent

commemorate
[kuh-mem-uh-reyt]
to serve as a memorial or reminder of

twisted
[tw-ist-ed]
bent, distorted, or deformed; also refers to something complex or perverse.

penurious
[puh-noor-ee-uhs]
extremely stingy; parsimonious; miserly

rarity
[r-ar-ity]
the state or quality of being uncommon or unique.

viscous
[vis-kuhs]
of a glutinous nature or consistency; sticky; thick; adhesive

caustic
[kaw-stik ]
capable of burning, corroding, or destroying living tissue.

beseech
[bih-seech]
to implore urgently

rebuff
[ri-buhf ]
to give a rebuff to; check; repel; refuse; drive away

entreat
[en-treet ]
to ask (a person) earnestly; beseech; implore; beg

exponent
[ek-spoh-nuhnt]
a person who believes in and promotes the truth or benefits of an idea or theory.

amorphous
[uh-mawr-fuhs]
without a clearly defined shape or form; lacking a clear structure or focus

inoculate
[ih-nok-yuh-leyt]
to implant (a disease agent or antigen) in a person, animal, or plant to produce a disease for study or to stimulate disease resistance

entrench
[en-trench]
establish (an attitude, habit, or belief) so firmly that change is very difficult or unlikely