Tonic: meaning, definitions and examples

Often overlaps with 'tonic' in the first entry but can also refer to a beverage mixed with tonic water, especially in the context of cocktails.

• He ordered a gin and tonic at the bar.
• Tonic water adds a refreshing taste to this drink.

A substance that raises levels of physiological or nervous activity in the body. Often used in medical or scientific contexts or to describe drugs that increase alertness, attention, and energy.

• Caffeine is a common stimulant found in coffee and tea.
• The doctor warned against the excessive use of stimulants to stay awake.

Informal term for something that provides a quick boost of energy or mood, often used in casual conversations about food, drinks, or activities.

• I need a little pick-me-up after that long meeting.
• A cup of coffee is just the pick-me-up I need in the afternoon.

Commonly used in both music and medicine. In music, it refers to the first note of a scale or key. In medicine, it describes a substance that invigorates or restores health.

• The tonic of C major is C.
• She drank a tonic to help with her fatigue.

Used in both music and general language. In music, it indicates the base note of a chord. In a broader sense, it refers to the origin or fundamental part of something.

• In a C major chord, C is the root.
• The root of the problem lies in poor communication.

Used to describe the principal theme or main idea of a speech, conference, or event. Often related to speeches delivered at the beginning of events.

• The keynote speaker captivated the audience with his insights.
• The conference's keynote address focused on technological innovation.

In a similar vein, 'tonic' can also refer to something that revitalizes or stimulates a general sense of well-being, but it may carry a slightly medicinal or therapeutic connotation.

• The retreat was a tonic for his stress
• Listening to music served as a tonic for her soul

When describing something that makes you feel more energetic and alive, this word works well. It is often used in reference to physical activities, experiences, or environments.

• A brisk walk in the morning can be very invigorating
• The mountain air was invigorating

This term is suitable for situations where something provides a sense of coolness, relief, or renewed energy, especially in hot or tiring conditions. It can be used for drinks, weather, or even ideas.

• Drinking cold lemonade on a hot day is so refreshing
• Her perspective on the issue was refreshing