Athwart1. (prep.) Across; from side to side of; across the direction or course of; as, a fleet standing athwart our course.
2. (adv.) Across, especially in an oblique direction; sidewise; obliquely.
3. (adv.) Across the course; so as to thwart; perversely.
Thesaurus Entries
across, across the grain, adverse to, against, against the grain, against the tide, against the wind, at cross-purposes, at cross-purposes with, at daggers, at daggers drawn, at issue, at odds, at variance, at war with, athwartships, bendwise, beyond, bias, biased, biaswise, catercorner, catercornered, con, contra, contrariwise, contrawise, counter, counter to, crisscross, cross, cross-grained, crossway, crossways, crosswise, dead against, diagonal, eyeball-to-eyeball, in conflict with, in confrontation, in hostile array, in opposition, in opposition to, kittycorner, oblique, obliquely, opposed to, over, overthwart, sideways, sidewise, slant, thwart, thwartly, thwartways, transversal, transverse, transversely, traverse, up in arms, versus, vis-a-vis, with crossed bayonets