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keyword

definition of sullen

Monthly search volume and cost-per-click data for "definition of sullen" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=definition+of+sullen&country=us" +--------------+------------------+ | volume | 18,100 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-08 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
define sullen 18,100 $0 20/20
sullenly definition 18,100 $0 20/20
definition of sullenly 18,100 $0 19/20
define sullenly 18,100 $0 17/20
sullen definition 14,800 $0 20/20
s u l l e n definition 14,800 $0 19/20
sullen meaning 12,100 $0 20/20
what does sullen mean 2,900 $0 20/20
meaning of sullen 1,300 $0 18/20
sullen def 1,000 $0 18/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=definition+of+sullen&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt