Klesha (Affliction; obstacle; cause of suffering): Meaning and Definition

What does Klesha literally mean?

Klesha is a masculine Sanskrit noun meaning pain, anguish, affliction, distress, or trouble. Sanskrit lexicons derive the word from the verbal root klis, associated with being troubled, suffering, or causing pain.

In yoga philosophy, the word takes on a more specific meaning. A Klesha is an afflictive pattern that distorts perception and contributes to Dukha, or suffering. "Affliction" is therefore more precise than "obstacle," although an affliction becomes an obstacle by interfering with clarity, meditation, and liberation.

Klesha is the singular form commonly used as a dictionary headword. Kleshas is the usual English plural. Klesa is a common alternate spelling in texts that omit Sanskrit diacritics.

What are the five Kleshas in Patanjali's Yoga Sutra?

Yoga Sutra 2.3 names five Kleshas. Together they describe interconnected ways that misunderstanding shapes identity, desire, resistance, and the instinct to preserve one's familiar sense of existence.

Yoga Sutra 2.4 identifies Avidya as the field from which the other four Kleshas arise. Avidya is more than a lack of information. It is a fundamental misperception of what is lasting, pure, satisfying, and truly the self.

Translations of Asmita and Abhinivesha vary among commentators. The translations below communicate their practical meaning without treating any single English equivalent as complete.

• Avidya: ignorance, misunderstanding, or incorrect perception of reality.
• Asmita: "I-am-ness," egoity, or the identification of awareness with the instruments of perception.
• Raga: attachment or craving based on remembered pleasure.
• Dvesha: aversion or resistance based on remembered pain.
• Abhinivesha: deep clinging to continued life and established identity, often translated as fear of death or self-preservation.

How do the Kleshas operate in yoga philosophy?

The Kleshas operate through Citta, the mind-field, and influence its Vrttis, or patterns of mental activity. They shape how experience is interpreted and how a person responds through attraction, resistance, and identification.

The Yoga Sutra and its classical commentary describe the Kleshas as dormant, weakened, interrupted, or fully active. A pattern can therefore remain present even when it is not currently visible. For example, attachment may become prominent while aversion temporarily recedes, then the aversion may return when conditions change.

Patanjali connects the Kleshas with Karma in Yoga Sutra 2.12. Afflicted perception and reaction create or reinforce karmic tendencies, which in turn condition future experience. This helps explain why the Kleshas are treated as causes of suffering rather than as isolated emotions.

The goal of yoga is not simply to manage the most obvious expression of a Klesha. Practice gradually weakens its underlying basis so that perception becomes less governed by Avidya and more capable of Viveka, or discriminative discernment.

How does yoga practice work with the Kleshas?

Patanjali presents Kriya Yoga as a direct means of weakening the Kleshas. In Yoga Sutra 2.1, Kriya Yoga consists of Tapas, Svadhyaya, and Isvara Pranidhana. Yoga Sutra 2.2 states that this practice supports Samadhi and reduces the strength of the afflictions.

Tapas develops the steadiness needed to remain present when habitual reactions arise. Svadhyaya supports self-observation and study. Isvara Pranidhana loosens the demand to control every action and result through the limited sense of self.

Yoga Sutra 2.11 associates Dhyana, meditation, with resolving the active movements of the Kleshas. Meditation allows attachment, aversion, and self-identification to be observed without immediately turning them into action. Continued practice can reveal the subtler assumptions beneath those reactions.

For modern practitioners, working with a Klesha begins with recognition. A teacher might invite students to notice grasping for a preferred experience, resistance to discomfort, or identification with success and failure. This inquiry should support honest awareness. The Klesha framework is a contemplative model and should not be used as a substitute for mental health diagnosis or care.

• Notice when a reaction repeatedly narrows perception or limits choice.
• Observe the relationship between remembered pleasure and Raga.
• Observe the relationship between remembered pain and Dvesha.
• Question identities organized around Asmita, including identities connected with achievement in yoga.
• Use Abhyasa and Vairagya to develop steadiness without feeding attachment to particular outcomes.

Does Klesha mean the same thing in Buddhism?

In Buddhist traditions, Klesha commonly means a mental affliction, defilement, or disturbing mental factor that obscures understanding and contributes to suffering and Samsara. The related Pali form is kilesa.

Buddhist sources do not generally limit the term to Patanjali's list of five. Lists differ among Buddhist schools and texts. Desire or attachment, aversion or anger, and ignorance are widely treated as primary afflictions from which other unwholesome states develop.

The Buddhist translation "defilement" reflects the sense of a factor that stains or obscures the mind. "Affliction" emphasizes its painful and disturbing effect. These meanings overlap, but the philosophical systems and classifications should remain distinct when the term is taught.

How should yoga teachers explain Klesha?

A clear teaching definition is: "A Klesha is an afflictive pattern that distorts perception and contributes to suffering." This definition preserves the traditional meaning while remaining understandable in a modern yoga setting.

The five Kleshas should be presented as a connected system. Avidya provides the basis for mistaken identification, and that identification conditions attachment, aversion, and clinging to continued existence. The system describes how suffering is produced and sustained within Patanjali's philosophy.

Teachers should avoid reducing the Kleshas to a list of bad emotions. Pleasure, pain, preference, and caution are ordinary aspects of experience. They become relevant to the Klesha framework when misunderstanding and identification organize them into patterns that obscure discernment and perpetuate suffering.