Motiveless

[moh-tiv] /ˈmoʊ tɪv/

noun
1.
something that causes a person to act in a certain way, do a certain thing, etc.; incentive.
2.
the goal or object of a person’s actions:
Her motive was revenge.
3.
(in art, literature, and music) a .
adjective
4.
causing, or tending to cause, motion.
5.
pertaining to motion.
6.
prompting to action.
7.
constituting a motive or motives.
verb (used with object), motived, motiving.
8.
to .
/ˈməʊtɪv/
noun
1.
the reason for a certain course of action, whether conscious or unconscious
2.
a variant of motif (sense 2)
adjective
3.
of or causing motion or action: a motive force
4.
of or acting as a motive; motivating
verb (transitive)
5.
to motivate
adj.

1817, from motive (n.) + -less.
n.

mid-14c., “something brought forward,” from Old French motif “will, drive, motivation,” noun use of adjective, literally “moving,” from Medieval Latin motivus “moving, impelling,” from Latin motus “a moving, motion,” past participle of movere “to move” (see move (v.)). Meaning “that which inwardly moves a person to behave a certain way” is from early 15c.
adj.

late 14c., from Old French motif “moving” or directly from Medieval Latin motivus “moving, impelling,” from past participle stem of movere “to move” (see move (v.)).

motive mo·tive (mō’tĭv)
n.
An emotion, desire, physiological need, or similar impulse that acts as an incitement to action. Also called learned drive. adj.
Causing or able to cause motion.