Definition: experiencing worry or nervousness, typically about something with an uncertain outcome

Definition: (of a voice or sound) high-pitched and piercing

Definition: an official who watches a game or match closely to ensure that the rules are adhered to

Definition: to meet (someone) face to face with hostile or argumentative intent

Definition: the customs, arts, social interactions, and achievements of a particular nation, people, or other social group.

To avoid bad posture, you should practice sitting ________.

It is common to feel ________ when speaking in public.

The ________ didn't hesitate to blow his whistle.

The loud, _______ sound coming from his whistle made the players plug their ears.

She learned a lot about German __________ while studying abroad.

We were watching a movie when suddenly we heard a ________ sound coming from upstairs.

We learned a lot about Thai _________ after our trip to Bangkok.

She woke quickly from the nightmare and sat ________ in her bed.

My parents _________ me when they realized the money was missing.

Synonyms: shrieking, loud, sharp, high

Synonyms: concerned, worried, fearful, nervous

Confronted means to meet someone face to face with hostile or argumentative intent.

Anxious means a high-pitched and piercing voice or sound.

Synonyms: way of life, society, civilization