Not instrument (to); not appropriate; unbecoming; unsuitable; not specially fitted; -- followed by to or for, not suitable for a particular occasion etc, Unsuitable or improper

Having fair knowledge; acquainted, Inappropriately intimate or friendly, having mutual interests or affections; of established friendship, noun_ a friend who is frequently in the company of another, a spirit (usually in animal form) that acts as an assistant to a witch or wizard

The study of the principles of reasoning, especially of the structure of propositions as distinguished from their content and of method and validity in deductive reasoning, The formal, guiding principles of a discipline, school, or science, Graphic representation of computer circuitry, adjective_ logical, verb_ intransitive, pejorative To engage in excessive or inappropriate application of logic, transitive To apply logical reasoning to, transitive To overcome by logical argument