Declare vs. Define

Difference Between Declare and Define
Declareverb
To make clear, explain, interpret.
Defineverb
To determine with precision; to mark out with distinctness; to ascertain or exhibit clearly.
the defining power of an optical instrumentDeclareverb
(intransitive) To make a declaration.
Defineverb
(obsolete) To settle, decide an argument etc.
Declareverb
(transitive) To announce one’s support, choice, opinion, etc.
He declared him innocent.Defineverb
To express the essential nature of something.
I define myself as a techno-anarchist.Declareverb
For the captain of the batting side to announce the innings complete even though all batsmen have not been dismissed.
Defineverb
To state the meaning of a word, phrase, sign, or symbol.
The textbook defined speed as velocity divided by time.Declareverb
(transitive) To announce something formally or officially.
declare bankruptcydeclare victoryDefineverb
To describe, explain, or make definite and clear.
Declareverb
For a constituency in an election to officially announce the result
Houghton and Sunderland South was the first constituency to declare in the 2015 general election.Defineverb
To demark sharply the outlines or limits of an area or concept.
to define the legal boundaries of a propertyDeclareverb
(transitive) To affirm or state something emphatically.
Defineverb
(mathematics) To establish the referent of a term or notation.
Declareverb
(transitive) To inform government customs or taxation officials of goods one is importing or of income, expenses, or other circumstances affecting one's taxes.
Definenoun
(programming) A kind of macro in source code that replaces one text string with another wherever it occurs.
Declareverb
(transitive) To make outstanding debts, e.g. taxes, payable.
Defineverb
give a definition for the meaning of a word;
Define `sadness'Declareverb
To explicitly include (a variable) as part of a list of variables, often providing some information about the data it is expected to contain.
The counter "i" was declared as an integer.Defineverb
determine the essential quality of
Declareverb
state emphatically and authoritatively;
He declared that he needed more money to carry out the task he was charged withDefineverb
determine the nature of;
What defines a good wine?Declareverb
announce publicly or officially;
The President declared warDefineverb
delineate the form or outline of;
The tree was clearly defined by the lightThe camera could define the smallest objectDeclareverb
state firmly;
He declared that he was innocentDeclareverb
declare to be;
She was declared incompetentjudge held that the defendant was innocentDeclareverb
authorize payments of;
declare dividendsDeclareverb
designate (a trump suit or no-trump) with the final bid of a hand
Declareverb
make a declaration (of dutiable goods) to a customs official;
Do you have anything to declare?Declareverb
proclaim one's support, sympathy, or opinion for or against;
His wife declared at once for moving to the West Coast