marginal

Use the word marginal when something is minimal or barely enough. If you buy lemons and sugar, make lemonade and set up a stand on the street corner, but sell only a couple of glasses, your profits will be marginal.

Some claim that greenhouse gases have a marginal effect on the environment while others think that they are changing the world drastically. Your parents hope to see more than a marginal improvement in your grades! These are the figurative uses for marginal, which comes from the Latin word margo "edge." Literally, the word is used with things on a border. When you scribble words in the blank edges of your textbook pages, those notes are marginal.

Definitions of marginal
1

adj at or constituting a border or edge

“the marginal strip of beach”
Synonyms:
fringy
peripheral
on or near an edge or constituting an outer boundary; the outer area

adj just barely adequate or within a lower limit

“a marginal victory”
Synonyms:
bare
narrow
very limited in degree

adj of questionable or minimal quality

marginal writing ability”
Synonyms:
borderline
minimal, minimum
the least possible

adj producing at a rate that barely covers production costs

marginal industries”
Synonyms:
unprofitable
producing little or no profit or gain

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