Englishfor English speakers
effectively
Adverb
—
If something is done effectively, it is done in a way that is effective.
constant
Adjective
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If something is constant, it doesn't change over time.
I have this constant pain in my back. I wish it would stop.
The rain has been constant all morning.
constant
Noun
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A constant is a value that doesn't change.
In the formula math7x^2+3y+5=z/math, 5 is a constant.