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Webster 1913 Edition

Adj.

[Cf. OE.

larrecinos

. See

Having the character of larceny;

as, a

larcenous

act

; committing larceny.

“The

larcenous

and burglarious world.”

Sydney Smith.

–

Lar′ce-nous-ly

adv.

larcenous ‎(comparative more larcenous, superlative most larcenous)

Given to larceny, tending to thievery.
Resembling theft, often applied to legal actions that seem unfair.
These late fees are larcenous. I should have read the fine print before signing.