To feel or express sorrow, sadness, or regret; to grieve, to mourn. intransitive. Without construction.

intransitive. To be sorry, to feel regret, compassion, or pity. Const. in Old English with genitive, represented in later times by of.

intransitive. To be full of regret and dissatisfaction in respect of some act. In later use esp. (Scottish, English regional (northern), Irish English…

intransitive. To feel regret; to be sorry.

intransitive. To feel or express sorrow or regret.

To regard or think of (an event, fact, etc.) with sorrow or regret; to wish that (something) had… transitive. With a specific period of time as…

intransitive for reflexive. To distress oneself with constant thoughts of regret or discontent; to vex oneself, chafe, worry. Often with additional…

to cry over spilt milk (or †water), or variants of this: To fret about some loss, mistake, etc., which cannot be remedied.