: any of numerous very small soft-bodied homopterous insects (superfamily Aphidoidea) that suck the juices of plants
Examples of aphid in a Sentence
Recent Examples on the Web
While cabbage is susceptible to pests, surrounding it with chives effectively deters unwanted visitors such as aphids, cabbage moths, flea beetles, and slugs.
—
Sj McShane,
Martha Stewart,
30 June 2026
Apply too much or too little water and the plant will be more susceptible to pests—such as aphids—and disease infestations.
—
Megan Hughes,
Better Homes & Gardens,
30 June 2026
Garlic is said to deter flies and aphids, thanks to its compound allicin, which is also a natural antifungal.
—
Ashley Chalmers,
The Spruce,
24 June 2026
See All Example Sentences for aphid
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Sj McShane,
Martha Stewart,
30 June 2026
Apply too much or too little water and the plant will be more susceptible to pests—such as aphids—and disease infestations.
—
Megan Hughes,
Better Homes & Gardens,
30 June 2026
Garlic is said to deter flies and aphids, thanks to its compound allicin, which is also a natural antifungal.
—
Ashley Chalmers,
The Spruce,
24 June 2026
See All Example Sentences for aphid
Cite this Entry
“Aphid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aphid. Accessed 4 Jul. 2026.
Copy CitationKids Definition
aphid
noun
ˈā-fəd 
also ˈaf-əd
: any of numerous small soft-bodied insects that suck the juices of plants
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