- A posteriori (Kant) – Christo Stoev
- A priori (Kant) – Christo Stoev
- Adumbration (Husserl)
- Anxiety (Kierkegaard)
- ArtWorld (Danto) – Pravda Spasova
- As-structure (Heidegger)
- Bad faith (Sartre)
- Body without organs (Deleuze)
- Capability (Nussbaum) – Valentina Kaneva
- Categorial intuition (Husserl)
- Can-be (Heidegger)
- Chiasm (Merleau-Ponty)
- Circumspection (Heidegger)
- Concrete universal (Hegel)
- Consealment (Heidegger)
- Chiasm (Merleau-Ponty)
- Communicative Power (Habermas) – Plamen Makariev
- Conflict of interpretations (Ricoeur) – Georgi Gerjikov
- Critique of Information (Lash) – Georgi Gerjikov
- Cunning of reason (Hegel)
- Dark Ecology (Morton) – Georgi Gerjikov
- Deconstruction (Derrida) –
- Deseverance (Heidegger)
- Despair (Kierkegaard)
- Différance (Derrida)
- Disclosedness (Heidegger)
- Disposedness (Heidegger)
- Duration, durée (Bergson)
- Effort (Maine de Biran) –
- Eidetic variation (Husserl)
- Either/or (Kierkegaard)
- Élan vital (Bergson)
- Empty intention (Husserl)
- Entelechy (Aristotle)
- Essay (Montaigne)
- Exteriority standing (Bakhtin)
- Facticity (Heidegger)
- False consciousness (Lukács)
- Family resemblance (Wittgenstein)
- Field (Merleau-Ponty)
- Flesh (Merleau-Ponty)
- Fold (Deleuze)
- Fore-having (Heidegger)
- Fourfold (Heidegger)
- Fulfilment (Husserl)
- Fundamental project (Sartre)
- Fusion of horisons (Gadamer)
- Givenness (Husserl)
- Habituality (Husserl)
- Habitual body (Merleau-Ponty)
- Horizon (Husserl)
- Historical distance (Gadamer)
- Hyletic data (Husserl)
- Iferability (Derrida)
- In-order-to (Heidegger)
- Indirect communication (Kierkegaard)
- Inner time-consciousness (Husserl)
- Intercorporeality (Merleau-Ponty)
- Inverted world (Hegel)
- Kingdom of Ends (Kant) – Ivan Kolev
- Language-games (Wittgenstein)
- Lazy reason, ignava ratio (Kant) – Ivan Kolev
- Lekton (Stoics)
- Life-world (Husserl)
- Logical prototype (Wittgenstein)
- Look (Sartre) – Ivan Kolev
- Manifold (Kant)
- Meeting (Buber)
- Mode of givenness (Husserl)
- Moment (Kierkegaard)
- Monade (Plotinus)
- Motricity (Merleau-Ponty)
- Noema (Husserl)
- Noesis (Husserl)
- Non aliud (Nicolaus of Cusa) – Ivan Kolev
- One’s own body (Merleau-Ponty)
- Opacity (Sartre)
- Open society (Popper) – Ventseslav Koulov
- Openness (Heidegger)
- Ordo amoris (Scheler)
- Otherwise of Being (Levinas)
- Ownedness (Heidegger)
- Paradox (Kierkegaard)
- Possible Existence (Jaspers) –
- Practico-inert (Sartre)
- Pre-predicative (Husserl)
- Presence (Heidegger)
- Presence-at-hand (Heidegger)
- Projection (Heidegger)
- Protention (Husserl)
- Proviso (Rawls) – Plamen Makariev
- Publizität (Kant) – Plamen Makariev
- Readiness-to-hand (Heidegger)
- Receptivity (Kant)
- Repetition (Kierkegaard)
- Retention (Husserl)
- Resoluteness (Heidegger)
- Respect (Kant) – Ivan Kolev
- Ressentiment (Nietzsche)
- Rhizome (Deleuze)
- Second sailing (Plato)
- Sedimentation (Merleau-Ponty)
- Seriality (Sartre)
- Seriousness (Kierkegaard)
- Schematism, (Kant)
- Sickness into death (Kierkegaard) – Vladimir Theoharov
- Signature (Derrida)
- Silence (Kierkegaard)
- Situatedness (Sartre)
- Seriality (Sartre)
- Spiritual animal kingdom (Hegel) – Ivan Kolev
- Stages of life (Kierkegaard)
- States of affairs, Sachverhalt (Wittgenstein)
- Symbolic Forms (Cassirer) – Georgi Gerjikov
- Sublation, Aufhebung (Hegel)
- Surface (Deleuze)
- Territory (Deleuze)
- Testimony (Derrida)
- Thematize (Husserl)
- They (Heidegger)
- Thrownness (Heidegger)
- To-be, Zu-sein (Heidegger)
- Total Mobilization (Ferraris) – Georgi Gerjikov
- Trace (Derrida)
- Tradition (Gadamer)
- Translucency (Sartre)
- Transcendent (Kant) – Christo Stoev
- Transcendental (Kant) – Christo Stoev
- Transversality (Deleuze)
- Uncanniness (Heidegger)
- Unconcealment (Heidegger)
- Unhappy consciousness (Hegel)
- Unownedness (Heidegger)
- Unquestionable clarity (Michaltschew) – Dimitar Dimitrov
- Virtual (Bergson)
- Visage (Levinas)
- Will to power (Nietzsche)
- With-world (Heidegger)
- Worldhood (Heidegger)
- Writing (Derrida)