- Today's Word
Oscillate
OSS-uh-layt
Definition
(verb) To move or swing back and forth in a steady rhythm; to waver between opposing positions or decisions.
Example
She oscillated between taking the job offer and going back to school.
Fun Fact
From Latin oscillare, “to swing,” the word was first used in reference to physical devices like pendulums and fans. Over time, it took on metaphorical meaning—describing emotional or intellectual back-and-forth. In psychology and politics alike, oscillation suggests indecision, ambivalence, or changing perspectives.
(noun) A burden, duty, or responsibility—especially one that is difficult or unwelcome.
The onus of proving the theory fell on the scientists who proposed it.
From Latin onus, meaning “load” or “burden.”