awkward

Socially uncomfortable; unsure and constrained in manner.

“awkward and reserved at parties”

Difficult to handle or manage especially because of shape.

“an awkward bundle to carry”

Not elegant or graceful in expression.

“an awkward prose style”

Hard to deal with; especially causing pain or embarrassment.

“awkward (or embarrassing or difficult) moments in the discussion”

“an awkward pause followed his remark”

Causing inconvenience.

“they arrived at an awkward time”

Lacking grace or skill in manner or movement or performance.

“an awkward dancer”

“an awkward gesture”