How It Works

The expression склонен к is a sophisticated way to describe inherent qualities. While often translated as 'prone to' (implying a negative vulnerability), it is equally used for neutral or positive intellectual and character traits.

1. Morphology (Agreement and Stress):
The word склонен is the short form of the adjective склонный (which is used attributively, e.g., склонный к риску человек). As a short adjective, it changes based on the subject's gender and number. Note the spelling rule: the masculine short form retains both 'н's but separates them with a fleeting vowel 'е' for ease of pronunciation (склонен, not склоннен), while the feminine, neuter, and plural forms do not require the fleeting vowel (склонна, склонно, склонны). Regarding stress, it stays on the root for masculine, neuter, and plural forms, and for the feminine form, strict prescriptive dictionaries mandate root stress (скло́нна).

Masculine: склонен (Он склонен...)
Feminine: склонна (Она склонна...)
Neuter: склонно (Общество склонно...)
Plural: склонны (Люди склонны...)

2. Syntactic Patterns and Aspect:

With a noun/pronoun: Requires the preposition к followed by the Dative case (e.g., склонен к риску).
With an infinitive: Used directly without a preposition. Crucially, when used as a predicate with an infinitive, only the short form is allowed (e.g., Он склонный согласиться is strictly ungrammatical as a predicate, though it is perfectly grammatical when used attributively to modify a noun, e.g., Он — человек, склонный согласиться с любым доводом). The verbal aspect is important here: imperfective infinitives denote a general behavioral tendency (e.g., Он склонен преувеличивать - He tends to exaggerate; Человек склонен впадать в депрессию - A person is prone to falling into depression), while perfective infinitives are almost exclusively used for specific, single occasions or a current state of mind (e.g., Я склонен согласиться с вами - I am inclined to agree with you).
With a subordinate clause: Uses the construction склонен к тому, чтобы + clause. While the direct infinitive is more concise when the subject is the same (e.g., Люди склонны ошибаться), the к тому, чтобы construction is widely used as a stylistic variant for both same and different subjects (e.g., Люди склонны к тому, чтобы переоценивать свои силы - People are inclined to overestimate their strength; Я склонен к тому, чтобы мы отложили встречу - I am inclined to have us postpone the meeting).

3. Negative Form:
The negative form не склонен (always written as two separate words) is an extremely common set phrase used for polite refusals, distancing, or expressing doubt (e.g., Я не склонен верить этому - I am not inclined to believe this).

4. Past and Future Tenses:
Because склонен is a short adjective, it requires the copula verb быть to express the past or future tense (e.g., Он был склонен - He was inclined; Она будет склонна - She will be inclined).

5. Usage Contexts:

Character/Behavior: Describing personality (e.g., inclined to melancholy, prone to risk).
Medical/Physical: Describing vulnerabilities (e.g., prone to allergies, susceptible to colds).
Intellectual: Describing talents (e.g., inclined toward the sciences).
Inanimate Subjects (Trends): Describing tendencies in formal or journalistic contexts (e.g., рынок склонен к консолидации - the market is prone to consolidation, цены склонны к росту - prices tend to rise).
Hedging Opinions: Used with verbs of thought and opinion (верить, думать, считать, подозревать) to soften statements (e.g., Я склонен думать, что... - I am inclined to think that...).

6. Use with Comparatives:
Because it describes a gradable trait, this expression is frequently used with comparative adverbs like более and менее (e.g., Он более склонен к компромиссам - He is more inclined to compromise).

7. Register:
This is a neutral to formal construction. It is very common in psychological profiles, medical reports, and academic analysis. In very casual speech, Russians might use simpler verbs, but склонен remains a vital part of the standard language.

8. Phonological Note:
The preposition к becomes ко in highly lexicalized cases, specifically before certain pronouns (ко мне, ко всему, ко всем, ко всякому, ко многому) and in a handful of fixed expressions (ко вторнику, ко двору, ко дну, ко сну, ко времени).

Examples (5)

Многие подростки в этом возрасте склонны к риску.
Many teenagers at this age are prone to risk-taking.
Word by Word: Many teenagers in this age [are] inclined to risk.
Here, the plural form 'склонны' agrees with 'подростки' (teenagers).
Его натура не склонна к компромиссам.
His nature is not inclined toward compromises.
Word by Word: His nature not [is] inclined to compromises.
The feminine form 'склонна' agrees with the feminine noun 'натура' (nature).
Пациент склонен к частым простудным заболеваниям.
The patient is prone to frequent cold-related illnesses.
Word by Word: Patient [is] inclined to frequent cold illnesses.
A typical medical usage describing a physical susceptibility.
Она склонна к точным наукам.
She is inclined toward the exact sciences.
Word by Word: She [is] inclined to exact sciences.
Demonstrates that the pattern can describe positive intellectual leanings.
Он склонен ко всему новому.
He is inclined toward everything new.
Word by Word: He [is] inclined to all new.
Note the change from 'к' to 'ко' before the word 'всему'.

Common Mistakes

Using the Genitive case instead of the Dative after the preposition 'к'.
Он склонен к риска.
Он склонен к риску.
The preposition к always requires the Dative case. 'Риску' is the Dative form of 'риск'.
Omitting the preposition 'к' before a noun or pronoun.
Она склонна лени.
Она склонна к лени.
Unlike when followed by an infinitive verb (which takes no preposition), the adjective 'склонен' requires the preposition к when followed by a noun or pronoun.
Using the long-form adjective 'склонный' as a simple predicate for a specific subject.
Он склонный к аллергии.
Он склонен к аллергии.
While the long form exists, the short form 'склонен' is the standard choice when functioning as the main predicate describing a state or trait of the subject.

How It Connects

Tap a pattern to see what it builds on and what it leads to.

склонен к + DativeLevel 5Predisposed to

Learn This First

To learn the pattern 'склонен к + дательный', a learner must first understand how short-form adjectives function as predicates in Russian. Additionally, they need to be familiar with the preposition 'к' and the dative case endings it requires for the nouns or pronouns that follow.

Words in This Pattern

склонныйк