from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Given or granted without return or recompense; unearned.
- adj. Given or received without cost or obligation; free.
- adj. Unnecessary or unwarranted; unjustified: gratuitous criticism.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Given freely; unearned.
- adj. Not called for by the circumstances; uncalled-for; without reason, cause, or proof; adopted or asserted without any good ground; unjustified.
from the GNU version of the Collaborative International Dictionary of English
- adj. Given without an equivalent or recompense; conferred without valuable consideration; granted without pay, or without claim or merit; not required by justice.
- adj. Not called for by the circumstances; without reason, cause, or proof; adopted or asserted without any good ground.
from The Century Dictionary and Cyclopedia
- Freely bestowed or obtained; costing nothing to the recipient.
- Unnecessary; not required; not warranted by circumstances or reason; uncalled for: as, a gratuitous insult.
- Unwarranted, unnecessary, groundless.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. without cause
- adj. costing nothing
- adj. unnecessary and unwarranted
From Latin grātuītus; see gwerə-2 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin gratuitus ("free"), from Latin gratia ("favor"), gratus ("showing favor") (Wiktionary)