The most popular dictionary and thesaurus. Meanings & definitions in essential American English with examples, pronunciations and translations.

instantaneous definition: 1. happening immediately, without any delay: 2. happening immediately, without any delay: 3…. Learn more.

inadvertently definition: 1. in a way that is not intentional: 2. in a way that is not intentional: . Learn more.

alter ego definition: 1. the part of someone's personality that is not usually seen by other people: 2. the part of…. Learn more.

compelling definition: 1. If a reason, argument, etc. is compelling, it makes you believe it or accept it because it is so…. Learn more.