sluggish
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adjective
slow-moving or inactive:
動きの鈍い, のろまな; 怠惰な, 無精な.
e.g. a sluggish stream.
lacking energy or alertness:
e.g. Alex woke late feeling tired and sluggish.
slow to respond or make progress:
e.g. the car had been sluggish all morning.
DERIVATIVES
sluggishly | ˈsləɡiSHlē | adverb
sluggishness | ˈsləɡiSHnəs | noun
ORIGIN
late Middle English: from the noun slug1 or the verb slug (see sluggard) + -ish1.