diff --git a/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/scopes/JavaAnnotationSyntheticPropertiesScope.kt b/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/scopes/JavaAnnotationSyntheticPropertiesScope.kt
index c65dff802bf..faa4884c1bb 100644
--- a/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/scopes/JavaAnnotationSyntheticPropertiesScope.kt
+++ b/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/scopes/JavaAnnotationSyntheticPropertiesScope.kt
@@ -87,4 +87,8 @@ class JavaAnnotationSyntheticPropertiesScope(
     override fun getClassifierNames(): Set<Name> {
         return delegateScope.getClassifierNames()
     }
+
+    override fun toString(): String {
+        return "Java annotation synthetic properties scope for $classId"
+    }
 }
diff --git a/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/scopes/JavaClassMembersEnhancementScope.kt b/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/scopes/JavaClassMembersEnhancementScope.kt
index c8712ba7167..0c2a32a2171 100644
--- a/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/scopes/JavaClassMembersEnhancementScope.kt
+++ b/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/scopes/JavaClassMembersEnhancementScope.kt
@@ -133,4 +133,8 @@ class JavaClassMembersEnhancementScope(
     override fun mayContainName(name: Name): Boolean {
         return useSiteMemberScope.mayContainName(name)
     }
+
+    override fun toString(): String {
+        return "Java enhancement scope for ${owner.classId}"
+    }
 }
diff --git a/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/scopes/JavaClassUseSiteMemberScope.kt b/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/scopes/JavaClassUseSiteMemberScope.kt
index baa91b04970..d9d49dd2ac0 100644
--- a/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/scopes/JavaClassUseSiteMemberScope.kt
+++ b/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/scopes/JavaClassUseSiteMemberScope.kt
@@ -501,6 +501,10 @@ class JavaClassUseSiteMemberScope(
             null
         }
     }
+
+    override fun toString(): String {
+        return "Java use site scope of $classId"
+    }
 }
 
 private fun FirCallableSymbol<*>.isFromBuiltInClass(session: FirSession) =
diff --git a/compiler/fir/java/src/org/jetbrains/kotlin/fir/scopes/jvm/JvmMappedScope.kt b/compiler/fir/java/src/org/jetbrains/kotlin/fir/scopes/jvm/JvmMappedScope.kt
index b8b57f8cbaa..88b79b675d6 100644
--- a/compiler/fir/java/src/org/jetbrains/kotlin/fir/scopes/jvm/JvmMappedScope.kt
+++ b/compiler/fir/java/src/org/jetbrains/kotlin/fir/scopes/jvm/JvmMappedScope.kt
@@ -209,4 +209,8 @@ class JvmMappedScope(
             return Signatures(visibleMethodsByName, hiddenConstructors)
         }
     }
+
+    override fun toString(): String {
+        return "JVM mapped scope for ${firKotlinClass.classId}"
+    }
 }
diff --git a/compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirClassSubstitutionScope.kt b/compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirClassSubstitutionScope.kt
index 83dc4f79b25..2d9b2c62a8c 100644
--- a/compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirClassSubstitutionScope.kt
+++ b/compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirClassSubstitutionScope.kt
@@ -347,6 +347,10 @@ class FirClassSubstitutionScope(
     override fun getClassifierNames(): Set<Name> {
         return useSiteMemberScope.getClassifierNames()
     }
+
+    override fun toString(): String {
+        return "Substitution scope for [$useSiteMemberScope] for type $dispatchReceiverTypeForSubstitutedMembers"
+    }
 }
 
 class FirSubstitutionOverrideStorage(val session: FirSession) : FirSessionComponent {
diff --git a/compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirClassUseSiteMemberScope.kt b/compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirClassUseSiteMemberScope.kt
index c6c4afb43cb..3d5180084a3 100644
--- a/compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirClassUseSiteMemberScope.kt
+++ b/compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirClassUseSiteMemberScope.kt
@@ -55,4 +55,8 @@ class FirClassUseSiteMemberScope(
         }
         return result
     }
+
+    override fun toString(): String {
+        return "Use site scope of $classId"
+    }
 }
diff --git a/compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirScopeWithFakeOverrideTypeCalculator.kt b/compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirScopeWithFakeOverrideTypeCalculator.kt
index 5bbe97b1961..526132c711f 100644
--- a/compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirScopeWithFakeOverrideTypeCalculator.kt
+++ b/compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirScopeWithFakeOverrideTypeCalculator.kt
@@ -83,4 +83,8 @@ class FirScopeWithFakeOverrideTypeCalculator(
 
     override val scopeOwnerLookupNames: List<String>
         get() = delegate.scopeOwnerLookupNames
+
+    override fun toString(): String {
+        return delegate.toString()
+    }
 }
diff --git a/compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirTypeIntersectionScope.kt b/compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirTypeIntersectionScope.kt
index c7df498e22f..75993269c82 100644
--- a/compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirTypeIntersectionScope.kt
+++ b/compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirTypeIntersectionScope.kt
@@ -127,6 +127,10 @@ class FirTypeIntersectionScope private constructor(
         return scopes.flatMapTo(hashSetOf()) { it.getClassifierNames() }
     }
 
+    override fun toString(): String {
+        return "Intersection of [${scopes.joinToString(", ")}]"
+    }
+
     companion object {
         fun prepareIntersectionScope(
             session: FirSession,
diff --git a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/scopes/FirTypeScope.kt b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/scopes/FirTypeScope.kt
index cf587a67e89..7bf8513c03f 100644
--- a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/scopes/FirTypeScope.kt
+++ b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/scopes/FirTypeScope.kt
@@ -58,6 +58,10 @@ abstract class FirTypeScope : FirContainingNamesAwareScope() {
         override fun getCallableNames(): Set<Name> = emptySet()
 
         override fun getClassifierNames(): Set<Name> = emptySet()
+
+        override fun toString(): String {
+            return "Empty scope"
+        }
     }
 
     protected companion object {