at an angle
- tiltedAngled from vertical
- slantedAngled from vertical
- diagonalSlanting line or path
- crookedBent or dishonest
- askewTilted from true
oblique · leaning · skewed · inclined · slope · tilt · cant · pitch · off-kilter · sideways · canted · awry · cockeyed · rakish · beveled · sloped · wonky · lopsided
orientation/alignment
at an anglestraight
Not curved or crooked
level · horizontal · vertical · perpendicular · parallel
straightness/directness
at an anglehead-on
Directly facing forward
directly · square on · dead ahead · face to face · frontally