Noun
People, places, or things.
Verb
An action word.
Adverb
A verb modifier.

Words

Harp ...on/upon
To dwell on persistently or tediously in speaking or writing.
To dwell on or recur to a subject tiresomely or monotonously.

He was always harping on the importance of taking vitamin supplements.

Phrases

Anticipatory Anxiety
The anxiety you feel when worrying about something that hasn't actually happened yet, and limited information is available to you.
Feelings
Sense of dread or doom.
Difficulty concentrating.
Persistent or obsessive worrying and circular thoughts about your future anxiety.
Loss of interest in or enjoyment from hobbies.
Physical symptoms like racing heart, sweating, trembling, nausea.
Restlessness.
Hopelessness.
Sleep difficulties or insomnia from racing thoughts about worrying.
Emotional numbness.
Frequent frustration or increased irritability.
Repeatedly going over worst-case scenarios in your mind.
Avoiding or canceling plans.
Feeling on edge, restless, and irritable.