as great as; the same as (often followed by to or with ): The velocity of sound is not equal to that of light.
like or alike in quantity, degree, value, etc.; of the same rank, ability, merit, etc.: two students of equal brilliance.
evenly proportioned or balanced: an equal contest.
uniform in operation or effect: equal laws.
adequate or sufficient in quantity or degree: The supply is equal to the demand.
having adequate powers, ability, or means: He was equal to the task.
level, as a plain.
tranquil or undisturbed: to confront death with an equal mind.
impartial or equitable.
a person or thing that is equal.
verb (used with object), equaled, equaling or (especially British) equalled, equalling.
to be or become equal to; meet or match: So far the rate of production doesn't equal the demand. If A equals B and B equals C, then A equals C.
to make or do something equal to: No matter how he tries, he can't equal his brother's achievements.
Archaic. to make equal; equalize.
Obsolete. to recompense fully.

1350–1400; Middle English (adj.) < Latin aequālis equal, like, equivalent to aequ(us) even, plain, just + -ālis -al1

nonequal, adjective, noun
quasi-equal, adjective
quasi-equally, adverb
subequal, adjective
subequally, adverb

2. proportionate, commensurate, coordinate, correspondent. Equal, equivalent, tantamount imply a correspondence between two or more things. Equal indicates a correspondence in all respects or in a particular respect: A dime is equal to 10 cents (that is, in purchasing power). Equivalent indicates a correspondence in one or more respects, but not in all: An egg is said to be the equivalent of a pound of meat in nutritive value. Tantamount a word of limited application, is used of immaterial things that are equivalent: The prisoner's refusal to answer was tantamount to an admission of guilt. 4. even, uniform, regular, unvarying, invariant. 6. suited, fitted. 10. peer, compeer, match, mate, fellow.

2. different. 6. inadequate.

1–9. See unique.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To quasi-equal
World English Dictionary
equal (ˈiːkwəl)
adj (often foll by to or with)
1.  identical in size, quantity, degree, intensity, etc; the same (as)
2.  having identical privileges, rights, status, etc: all men are equal before the law
3.  having uniform effect or application: equal opportunities
4.  evenly balanced or proportioned: the game was equal between the teams
5.  (usually foll by to) having the necessary or adequate strength, ability, means, etc (for): to be equal to one's work
6.  another word for equivalent
7.  a person or thing equal to another, esp in merit, ability, etc: he has no equal when it comes to boxing
vb (usually foll by out) , equals, equalling, equalled, equals, equaling, equaled
8.  (tr) to be equal to; correspond to; match: my offer equals his
9.  to become equal or level
10.  (tr) to make, perform, or do something equal to: to equal the world record
11.  archaic (tr) to make equal
[C14: from Latin aequālis, from aequus level, of obscure origin]
usage  The use of more equal as in from now on their relationship will be a more equal one is acceptable in modern English usage. Equally is preferred to equally as in sentences such as reassuring the victims is equally important. Just as is preferred to equally as in sentences such as their surprise was just as great as his

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

late 14c., from L. aequalis "uniform, identical, equal," from aequus "level, even, just," of unknown origin. Parallel formation egal (from O.Fr. egal) was in use late 14c.-17c.
Online Etymology Dictionary, © 2010 Douglas Harper
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