1. The English word for "secret" is "secret". Pronunciation analysis: British English ['si?kr?t], American English ['sikr?t]. Definition: noun for a secret, clue, or classified information; adjective for something secret or confidential.2. Common phrases with "secret": - "Secret Call" refers to a clandestine phone call, often silence, mysterious call, or secretive communication. - "Secret Agent" denotes a spy, secret operative, or undercover agent. - "Secret Defense" relates to a covert conspiracy, state secret, or clandestine defense. - "Secret Invasion" pertains to a surreptitious invasion, covert operation, or clandestine incursion.3. Expanded usage examples: - "She swore me to secrecy not to tell anyone about her secret." - "He will not divulge it to anyone; the secret will die with him." - "She blabbed the secret to her boyfriend." - "I will not utter a word of your secret to another man." - "I have a secret for that."