sleepy

As adjectives the difference between fatigued and sleepy

is that fatigued is tired; weary while sleepy is tired; feeling the need for sleep.

As a verb fatigued

is (fatigue).

As a noun sleepy is

(informal) the gum that builds up in the eye.

As adjectives the difference between lethal and sleepy

is that lethal is deadly; mortal; fatal while sleepy is tired; feeling the need for sleep.

As nouns the difference between lethal and sleepy

is that lethal is one of the higher alcohols of the paraffine series obtained from spermaceti as a white crystalline solid while sleepy is the gum that builds up in the eye.

As nouns the difference between sleepy and wakeup

is that sleepy is (informal) the gum that builds up in the eye while wakeup is the act of waking up.

As an adjective sleepy

is tired; feeling the need for sleep.

Doltish is a related term of sleepy.

As adjectives the difference between doltish and sleepy

is that doltish is like a dolt; dull in intellect; stupid while sleepy is tired; feeling the need for sleep.

As a noun sleepy is

(informal) the gum that builds up in the eye.

As adjectives the difference between sleepy and slippery

is that sleepy is tired; feeling the need for sleep while slippery is of a surface, having low friction, often due to being covered in a non-viscous liquid, and therefore hard to grip, hard to stand on without falling, etc.

As a noun sleepy

is (informal) the gum that builds up in the eye.

Sleepy is a related term of irksome.

As adjectives the difference between sleepy and irksome

is that sleepy is tired; feeling the need for sleep while irksome is disagreeable or troublesome by reason of long continuance or repetition; bothersome; annoying; irritating; wearisome; tedious.

As a noun sleepy

is (informal) the gum that builds up in the eye.

Sleepy is a related term of tedious.

As adjectives the difference between sleepy and tedious

is that sleepy is tired; feeling the need for sleep while tedious is boring, monotonous, time consuming, wearisome.

As a noun sleepy

is (informal) the gum that builds up in the eye.

As adjectives the difference between sleepy and weary

is that sleepy is tired; feeling the need for sleep while weary is having the strength exhausted by toil or exertion; tired; fatigued.

As a noun sleepy

is (informal) the gum that builds up in the eye.

As a verb weary is

to make or to become weary.

As adjectives the difference between sleepy and quiet

is that sleepy is tired; feeling the need for sleep while quiet is with little or no sound; free from of disturbing noise.

As nouns the difference between sleepy and quiet

is that sleepy is (informal) the gum that builds up in the eye while quiet is the absence of sound; quietness.

As a verb quiet is

to become quiet, silent, still, tranquil, calm.

As adjectives the difference between sleepy and sleepless

is that sleepy is tired; feeling the need for sleep while sleepless is characterized by an absence of sleep.

As a noun sleepy

is the gum that builds up in the eye.