The difference between Lax and Strict

When used as adjectives, lax means lenient and allowing for deviation, whereas strict means strained.

Lax is also noun with the meaning: a salmon.

check bellow for the other definitions of Lax and Strict

Lax as an adjective:

Lenient and allowing for deviation; not strict.

Examples:

"The rules are fairly lax, but you have to know which ones you can bend."
Lax as an adjective:

Loose; not tight or taut.

Examples:

"The rope fell lax."
Lax as an adjective:

Lacking care; neglectful, negligent.
Lax as an adjective (archaic):

Having a looseness of the bowels; diarrheal.
Lax as an adjective (maths):

Describing an associative monoidal functor.

Strict as an adjective:

Strained; drawn close; tight.

Examples:

"strict embrace"

"strict ligature"
Strict as an adjective:

Tense; not relaxed.

Examples:

"strict fiber"
Strict as an adjective:

Exact; accurate; precise; rigorously nice.

Examples:

"to keep strict watch"

"to pay strict attention"
Strict as an adjective:

Governed or governing by exact rules; observing exact rules; severe; rigorous.

Examples:

"very strict in observing the Sabbath"
Strict as an adjective:

Rigidly interpreted; exactly limited; confined; restricted.

Examples:

"to understand words in a strict sense"
Strict as an adjective (botany):

Upright, or straight and narrow; — said of the shape of the plants or their flower clusters.
Strict as an adjective:

Severe in discipline.

Examples:

"Our teacher was always very strict. If we didn't behave, we would get punished."

"It was a very strict lesson."
Strict as an adjective (set theory, order theory):

Irreflexive; if the described object is defined to be reflexive, that condition is overridden and replaced with irreflexive.