When to add 'ly" to words
- Teneille C
- May 6, 2024
- 3 min read
Updated: May 14
In the realm of language, suffixes wield extraordinary power. With just a few letters, they can transform the very identity of a word, infusing it with new meaning and purpose. One such suffix, “-ly,” is especially fascinating. With its simple addition, adjectives often evolve into adverbs, subtly shifting their function and enriching our communication.
But when exactly should we employ this magical “-ly”? How does it shape the way we speak and write? Let’s dive into the elegant world of suffixes and uncover the secrets of using “-ly” with confidence and style.

From Adjective to Adverb: The Role of "-ly"
At its core, “-ly” acts like a linguistic chameleon, transforming adjectives—words that describe nouns—into adverbs, which modify verbs, adjectives, or even other adverbs.
Take the word “quick.” It’s an adjective, as in “a quick decision.” Add “-ly” and you get “quickly,” now an adverb describing how something is done:“She ran quickly.”
This transformation allows us to convey how an action is performed, bringing precision and depth to our language.
When to Add "-ly": Guidelines for Clear and Effective Usage
While the use of “-ly” often seems intuitive, a few key principles can help ensure you’re using it with purpose and clarity:
🔹 To Modify Verbs
When you want to describe how an action is performed, add “-ly” to the adjective. Examples:
“He speaks softly.”
“She sings beautifully.”
🔹 To Express Manner or Style
“-ly” adverbs often answer the question in what manner?Examples:
“He drives carefully.”
“They danced gracefully.”
“She writes passionately.”
🔹 To Avoid Redundancy
Be mindful not to overuse “-ly” when the verb already conveys the manner. Redundant: “He whispered quietly.”Better: “He whispered.”
🔹 For Comparative and Superlative Forms
Unlike adjectives, most “-ly” adverbs don’t take “-er” or “-est.” Instead, use “more” and “most.”Examples:
“She responded more politely than before.”
“He worked most efficiently during the crisis.”
The Exceptions: When "-ly" Isn’t Needed
English wouldn’t be English without its quirks. Not all adverbs follow the “-ly” rule.
🔹 Irregular Adverbs
Some words have unique adverbial forms. Examples:
“Good” becomes “well”: “She plays well.”
“Fast” stays the same: “He runs fast.”
🔹 Flat Adverbs
These are words that serve as both adjectives and adverbs without needing modification. Examples:
“He works hard.” (Not “hardly,” which has a different meaning.)
“They arrived late.”
“She moved slow.” (Though “slowly” is also correct.)
Let "-ly" Add Elegance to Your Expression
The “-ly” suffix is more than just a grammatical tool—it’s a stylistic asset. When used thoughtfully, it adds rhythm, grace, and nuance to your writing and speech.
So, whether crafting an essay, telling a story, or texting a friend, let “-ly” be your ally. Use it to shape your message with clarity, precision, and elegance. With every “gently,” “boldly,” or “clearly,” you bring language to life—one graceful word at a time.
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