cover
The word carries a strong sense of concealment or shielding. It implies a barrier between an object and the external environment, whether that barrier is a physical cloth or a strategic lie intended to mask the truth. This creates a feeling of security or secrecy depending on the intent.
In professional contexts, the term shifts toward a sense of completion or encompassing. When a reporter covers a story, they are wrapping their attention around the entire event. When a payment covers a bill, it fills the gap of the debt entirely, leaving nothing exposed or unpaid.
Countable when referring to a physical object like a book cover or a bed cover. Uncountable when referring to the general concept of protection or concealment.
Meanings
To place something over an object to protect or hide it
Cover the cake with frosting.
To provide enough money to pay for a cost
The insurance policy will cover the medical bills.
Examples
The snow covers everything.
Phrasal Verbs
cover up
to conceal a mistake or a crime
The politician tried to cover up the scandal for months.
cover over
to place something on top of something else to hide or protect it
She covered the old sofa over with a colorful blanket.