of a character or kind farthest removed from the ordinary or average:extreme measures.
utmost or exceedingly great in degree:extreme joy.
farthest from the center or middle; outermost; endmost:the extreme limits of a town.
farthest, utmost, or very far in any direction:an object at the extreme point of vision.
exceeding the bounds of moderation:extreme fashions.
going to the utmost or very great lengths in action, habit, opinion, etc.:an extreme conservative.
last or final:extreme hopes.
[Chiefly Sports.]extremely dangerous or difficult:extreme skiing.
n.
the utmost or highest degree, or a very high degree:cautious to an extreme.
one of two things as remote or different from each other as possible:the extremes of joy and grief.
the furthest or utmost length; an excessive length, beyond the ordinary or average:extremes in dress.
an extreme act, measure, condition, etc.:the extreme of poverty.
Mathematics
the first or the last term, as of a proportion or series.
a relative maximum or relative minimum value of a function in a given region.
Philosophy[Logic.]the subject or the predicate of the conclusion of a syllogism; either of two terms that are separated in the premises and brought together in the conclusion.
[Archaic.]the utmost point, or extremity, of something.
Latin extrēmus, superlative of exterus outward. See exterior
late Middle English 1425–75
ex•treme′ness, n.
2.See corresponding entry in Unabridged greatest, highest; superlative.
3.See corresponding entry in Unabridged ultimate, last, uttermost, remotest.
6.See corresponding entry in Unabridged extravagant, immoderate, excessive, fanatical, uncompromising, unreasonable. See radical.
6.See corresponding entry in Unabridged moderate.
extreme, +adj.
Sport[Chiefly Sports.]extremely dangerous or difficult:extreme skiing.