adjective - (of a body) able to bend or move easily; physically flexible
noun - cruel, bitter, harsh, and highly critical language or remarks
adjective, formal - filled with harsh criticism, bitterness, or malice; extremely sharp or hostile in tone
adjective, American English, informal - strange, eccentric, or slightly crazy, often in an amusing or charming way.
noun, American English, informal - a person who behaves in a strange, eccentric, or slightly crazy manner; an odd or unusual individual
noun, formal - a person who is officially held in custody, typically due to suspicion of illegal activity, or for political or security reasons
adverb - in a secretive, clever, or cunning way intended to deceive or trick someone
noun - a list of tasks or items that you check off once you've completed or verified them
noun, informal - doing something to someone because they did the same thing to you
noun - a government-operated or authorized system responsible for collecting, transporting, and delivering mail and parcels
noun - a system of communication developed by Samuel Morse that uses sequences of short and long signals, known as dots and dashes, to represent letters, numbers, and punctuation
noun - a machine or device used to print text or images onto paper or other materials by pressing inked type or plates against them
noun, formal - a formal statement of praise, approval, or recognition, often given officially for notable achievements or actions
noun - something that is familiar, old-fashioned, or no longer interesting or relevant due to overuse or outdatedness