Overwhelmed

o⋅ver⋅whelm 
–verb (used with object)
1.to overcome completely in mind or feeling: overwhelmed by remorse.
2.to overpower or overcome, esp. with superior forces; destroy; crush: Roman troops were overwhelmed by barbarians.
3.to cover or bury beneath a mass of something, as floodwaters, debris, or an avalanche; submerge: Lava from erupting Vesuvius overwhelmed the city of Pompeii.
4.to load, heap, treat, or address with an overpowering or excessive amount of anything: a child overwhelmed with presents; to overwhelm someone with questions.
5.to overthrow.

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I am overwhelmed completelty in mind and feeling.................. I have so many things to do and I am running out of time in the day to do them.

I feel overpowered and overcome but haven't yet broken

Almost buried beneath.

Excess amount of stress. Attempting to mot be overthrown but on the edge.