hyperthyroid

Upper-Intermediate (B2)

IPA: //haɪpərˈθaɪrɔɪd//

KK: /haɪpərˈθaɪrɔɪd/

adjective

Definition

Relating to a condition where the thyroid gland is overactive, producing too much thyroid hormone.

Example

The doctor diagnosed her with a hyperthyroid condition that required treatment.

Conversation

I heard that she was feeling really anxious lately.

Yeah, I think it might be because she's hyperthyroid.

That makes sense; I know that can cause a lot of stress.

Exactly! I hope she gets the help she needs.

Synonyms & Antonyms

Synonyms

overactive

excessive

accelerated

Antonyms

hypothyroid

inactive

sluggish

Root Explanation

Hyperthyroid → It is formed from "hyper-" (meaning over or excessive) and "thyroid" (from Greek "thyreoeides", meaning shield-shaped, referring to the thyroid gland). The word describes a condition where the thyroid gland is overactive or produces excessive hormones.

Memory Tip

Think of 'hyper-' meaning excessive, and 'thyroid' referring to the gland that regulates metabolism. This helps you remember that hyperthyroid means an overactive thyroid.

Visually Confused Words