Englisch [adj]Spanisch [adj] ▶unfathomable [adj] The sudden change in plans was unfathomable. ▶incomprensible [adj] El cambio repentino de planes era incomprensible. ▶unfathomable [adj] His smile was completely unfathomable.Her behavior is unfathomable. ▶insondable [adj] Su sonrisa era totalmente insondable.Su comportamiento es insondable. ▶unfathomable [adj] ▶inaprensible [adj]