vers-, vert-, -verse, -version, -version, -versation, -versal, -versary, -vert, vort-, vors-

(Latin: bend, turn)

ad
Short for advertisement: "He placed an ad in the paper."
adversa
Things noted.

A scholarly expression referring to observations one has made.

adversaria
Primarily a journal.

Adversaria (ahd wehr SAH ree uh), literally "that which has been turned to", is a plural noun referring to notes or brief written comments: "Her adversaria were fascinating in their perceptions." It also refers to annotations or commentaries written on a facing page of a book.

As a singular noun, an adversaria (ad vuhr SAY ree uh) is a journal or commonplace book, a book used for recording one's observations as well as for collecting poems, brief essays, and any other material one finds worth keeping.

—From Amo, Amas, Amat and More by Eugene Ehrlich;
Harper & Row, Publishers; New York; 1985, page 29.
adversary
1. One who, or that which, takes up a position of antagonism, or acts in a hostile manner; an opponent, antagonist; an enemy, a foe.
2. Etymology: from Anglo-French adverser, from Old French adversier, from Latin adversarius, "opponent, rival"; literally, "turned toward one", from adversus, "turned against".
adversative
1. Expressing opposition or contrast.
2. A word that expresses antithesis or opposition.
adversatively
Referring to an expression of contrariety, opposition, or antithesis.
adversativeness
Characterizing criticism or censure; a censorious comment or reflection.
adverse (ad VURS, AD vurs")
Opposed to, hostile to; unfavorable, contrary, opposing, negative: "Adverse winds prevented our plane from arriving on time."
"Do not be discouraged by adverse criticism."
adverse, averse
adverse (ad VURS, AD vurs") (adjective)
Opposed to, hostile to; unfavorable, contrary: "Adverse winds prevented the plane from arriving on time."
"Do not be discouraged by adverse criticism."
averse (uh VURS) (adjective)
Disliking; unwilling; having a feeling of great distaste or an inclination against something or someone: "Regina's father is always averse to spending money unless it is really necessary."
"Fred does not approve of liquor in any form and he is even averse to drinking wine."

The adverse publicity didn't hurt Zachary's acting career; however, the hostility of the crowd did make him averse to performing at the next theatrical performance.

adversed
1. Created as unfavorable, undesirable, or harmful results.
2. Having acted with or characterized by opposition or antagonism; for example, adversed publicity.
3. Momentum that existed in a direction away from that which was desired.
4. In botany, a leaf or flower that faced the main stem.
5. Etymology: from Old French avers (Modern French adverse); from Latin adversus, "turned against"; therefore, "hostile"; past participle of advertere, from ad-, "to" + vertere, "to turn".
adversely
1. In an unfavorable manner.
2. Descriptive of being antagonistic in purpose or effect.
2. A reference to being actively opposed to one's interests or wishes; contrary to one's welfare.
3. Relating to acting against or working in an opposing direction.
adverseness
An action against or a contrary direction.
adversion
1. A strong feeling of dislike of someone or something.
2. The act of turning oneself, or gaze, away.
3. The avoidance of something, a situation, or some kind of behavior because it has been associated with an unpleasant or painful stimulus.
adversity
1. A stroke of ill fortune; a calamitous event.
2. A state of misfortune or affliction: "We may not hear much about it, but debt-ridden farmers are struggling with adversity."
3. An extremely unfavorable experience or event.
adversus (masculine), adversa (feminine), adversum (neuter)
1. Set opposite, adverse, having been set against.

Ne Hercules quidem adversus duos.

"Not even Hercules fights against two."

2. Turned toward, having been turned toward.

Inter-related cross references involving word units meaning "bend, curve, turn": diversi-; diverticul-; flect-, flex-; gyro-; meand-; -plex; streph-; stroph-; tors-; tropo-; verg-; volv-.