dependence

noun

de·​pen·​dence di-ˈpen-dən(t)s 

variants or less commonly dependance

1

: the quality or state of being dependent

especially : the quality or state of being influenced or determined by or subject to another

2

: reliance, trust

3

: one that is relied on

4

a

: drug addiction

developed a dependence on painkillers

b

: habituation sense 2b

Synonyms of dependence

• dependency
• reliance

Examples of dependence in a Sentence

The company was hurt by its dependence on government loans.

Our dependence upon foreign oil makes our economy vulnerable.

a harmful dependence on foreign oil

Recent Examples on the Web

Called Bridge, the battery system is designed to meet growing electricity demand from autonomous computing workloads while reducing dependence on critical minerals used in conventional lithium-ion batteries. — Neetika Walter, Interesting Engineering, 10 July 2026

The new leadership has emphasized data dependence, which in practice means letting each regional president speak freely. — Ivan Illan, Forbes.com, 7 July 2026

But Huawei’s domestic dominance is being challenged by rival tech companies like Alibaba, Baidu, and now DeepSeek, which are designing in-house AI chips, while the Chinese firms collectively heed Beijing’s call to reduce dependence on US technology. — Tasneem Nashrulla, semafor.com, 7 July 2026

Among this group, it is characterized by a difficulty controlling phone use, heavy social media dependence, having a preoccupation with notifications and voicing distress when separated from their device. — Elizabeth Dowdell, The Conversation, 6 July 2026

Word History

Etymology

Middle English dependaunce, borrowed from Anglo-French dependence, dependance, from dependant dependent entry 1 + -ence, -ance -ence, -ance

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing dependence

• linear dependence
• self-dependence

Rhymes for dependence

• ascendance
• attendance
• dependance
• transcendence
• interdependence
• superintendence
• tendance

Kids Definition

dependence

noun

de·​pend·​ence

di-ˈpen-dən(t)s

1

: the quality or state of being dependent

especially : the quality or state of being influenced by or subject to another

2

: reliance sense 2, trust

3

: something on which one relies

4

: a drug addiction

Medical Definition

dependence

noun

de·​pen·​dence di-ˈpen-dən(t)s 

1

: the quality or state of being dependent upon or unduly subject to the influence of another

2

a

: drug addiction

b

: habituation sense 2b