Below are possible answers for the crossword clue Constant.
EVEN
used as an intensive especially to indicate something unexpected; "even an idiot knows that"; "declined even to consider the idea"; "I don't have even a dollar!"
make even or more even
equal in degree or extent or amount; or equally matched or balanced; "even amounts of butter and sugar"; "on even terms"; "it was a fifty-fifty (or even) split"; "had a fifty-fifty (or even) chance"; "an even fight"
to a greater degree or extent; used with comparisons; "looked sick and felt even worse"; "an even (or still) more interesting problem"; "still another problem must be solved"; "a yet sadder tale"
become even or more even; "even out the surface"
of the score in a contest; "the score is tied"
in spite of; notwithstanding; "even when he is sick, he works"; "even with his head start she caught up with him"
make level or straight; "level the ground"
being level or straight or regular and without variation as e.g. in sh
TRUE
in tune; accurate in pitch; "a true note"
expressing or given to expressing the truth; "a true statement"; "gave truthful testimony"; "a truthful person"
having a legally established claim; "the legitimate heir"; "the true and lawful king"
as acknowledged; "true, she is the smartest in her class"
determined with reference to the earth's axis rather than the magnetic poles; "true north is geographic north"
make level, square, balanced, or concentric; "true up the cylinder of an engine"
rightly so called; "true courage"; "a spirit which true men have always admired"; "a true friend"
not pretended; sincerely felt or expressed; "genuine emotion"; "her interest in people was unfeigned"; "true grief"
proper alignment; the property possessed by something that is in correct or proper alignment; "out of true"
consistent with fact or reality; not false; "the story is true"; "it is undesirable to believe a p
UNIFORM
provide with uniforms; "The guards were uniformed"
not differentiated
the same throughout in structure or composition; "bituminous coal is often treated as a consistent and homogeneous product"