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to stick; to get stuck; to get caught; to get jammed; to clog
to be unavailable; to be busy; to be occupied; to be full
to be piled up (e.g. of work)
to halt (in one's speech); to stumble (over one's words); to stutter; to stammer
to feel blocked (of one's chest or throat, due to grief, anxiety, illness, etc.); to feel pressure; to feel pain
「支える」 has another reading with different meanings.
昨夜食事中に喉に魚の骨が支えてしまった。
A fish bone got stuck in my throat last night.
なぜか胸が支えて息苦しい気がする。
For some reason my chest feels tight and I can't breathe well.
パイプが詰まって水が支えている。
The pipe is clogged and the water is backed up.