決して満足のいくものではない

is by no means satisfactory

→ 決して
phrase Rare #34,414
is by no means satisfactory A strong negative expression meaning something is far from satisfactory. 決して is used with the negative ではない to mean “by no means” or “certainly not.”
JA: この結果は決して満足のいくものではない。
EN: This result is by no means satisfactory.

彼の説明は決して満足のいくものではない

His explanation is by no means satisfactory.

君の答えなんて決して満足のいくものではない

Your answer is by no means satisfactory.

彼女の説明決して満足のいくものではない

Her explanation is by no means satisfactory.

君の言動決して満足のいくものではない

Your words and actions are by no means satisfactory.

このホテルは決して満足のいくものではない

This hotel is by no means satisfactory.