Simple Definition of spinster

from our Learner's Dictionary

spinster

noun

plural spinsters
old-fashioned + often disapproving : an unmarried woman who is past the usual age for marrying and is considered unlikely to marry
now often considered an insulting word
She was afraid of becoming a spinster.
my spinster aunts

Cite this Entry

“Spinster.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/spinster. Accessed 15 Apr. 2026.

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