SYN: Athwart, against, transversely. Transverseness to a line of movement becomes opposition.
ANT: Lengthwise, along, concurrently, parallel.
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KEY: Act. \v.\ [See DO].
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KEY: Act \n.\
SYN: Deed, performance, action, movement, proceeding, exercise, operation, play.
ANT: Inaction, rest, repose, cessation, suspension, quiet, immobility, inertia, quiescence.
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KEY: Action. [See ACT].