The prefix ultra- means above, beyond. As in, "ultrawide" which means very wide, beyond wide. So, "ultrasensitive" means very sensitive, beyond sensitive. This is closest in meaning to "delicate." Additionally, "temporary" means not permanent, not long-lasting; "swift" means quick, rapid; "fretful" means worried, upset, distressed; "vigorous" means healthy, strong, fit.

The prefix sub- means below. As in, "submarine" which is a ship that moves below the water. So, "subpar" means below average, of poor quality. You may have heard the word "par" used before to refer to average (such as in golf). Additionally, "grand" means great and spectacular.

The prefix agon- means pain. As in "agonize" which means to stress and feel pain over a decision. So, "talent" is ability, skill; "humility" is modesty, lack of arrogance; "matrimony" means marriage; "integrity" means honesty, the quality of having strong principles. 

The prefix uni- means one. As in, "unicyle" which is sort of like a bicycle, but with one wheel. So, "universal" means the same everywhere, worldwide. It helps to think of it like this "universal" = one thing that is the same everywhere. Additionally, "regional" means local, found in one region; "illegal" means against the law; "adamant" means determined, refusing to change one's mind; "inconclusive" means not leading to a definite conclusion. 

The prefix dyna- means force, power, energy. As in "dynamite" which is a sort of bomb that produces a powerful explosion. So, "dynamic" means forceful, energetic, powerful. Additionally, "alluring" means appealing, attractive; "wacky" means crazy, weird; "hellish" means resembling hell, awful, terrible; "frail" means weak, usually sick, weak, and old.

The prefix inter- means between. As in "international" which means including or existing between two or more nations. So, "intermission" means a break in between two parts of a performance. Additionally, "harmony" means peace, agreement; "duty" is something that has to be done, responsibility; an "inquest" is a formal inquiry into something that happened; a "drama" is an emotional event.

The prefix non- means not. So, "nonsense" means something that does not make sense, silliness, foolishness, absurdity. Additionally, "justice" is fair treatment, particularly the fair and equal treatment and punishment under the law; "disbelief" is the lack of belief; "eccentricity" means the quality of being unusual and weird.

The prefix alt- means high, height. As in, "exalt" which means praise highly. So, "altitude" means height. Additionally, "breadth" is another word for "width" (how wide something is).

The prefix un- means not. As in, "unlikely" which means not likely. So, "unremarkable" means not remarkable, not interesting. This is closest in meaning to "boring." If it is helpful, "remarkable" means interesting, amazing, worthy of being remarked about. Additionally, "hilarious" means very funny; "petite" means little, small; "shy" means not wanting to talk to others.

The prefix ambi- means both. As in, "ambidextrous" which means equally capable of using both one's left and right hands. "Ambiguous" means uncertain, vague, not clear. It helps to think of it like this - "ambiguous" = believing both arguments or conclusions could be true. Additionally, "outlawed" means banned, made illegal; "lame" means boring, uncool; "sincere" means truthful, honest; "enormous" means very large.