straight-up

Strongest matches

• perpendicular
• vertical

Strong matches

• straight
• upright

Weak match

• up and down

Strongest matches

• abrupt
• arduous
• hilly
• lofty
• precipitous

Strong matches

• elevated
• high
• lifted
• perpendicular
• raised
• sharp
• sheer

Weak matches

• declivitous
• prerupt

Strongest matches

• perpendicular
• steep

Strong matches

• bolt upright
• erect
• plumb

Weak matches

• cocked
• on end
• sheer
• up-and-down
• upward

Strongest matches

• off
• upstairs

Strong matches

• covering
• overhead

Weak matches

• aloft
• beyond
• farther up
• higher than
• in heaven
• in the sky
• on high
• on top of
• overtop
• straight up