tight vs difficult

tight and difficult both are adjectives.

Word	Noun	Adjective	Verb	Adverb
tight	No	Yes	No	Yes
difficult	No	Yes	No	No

tight (adjective)	difficult (adjective)
closely constrained or constricted or constricting	not easy; requiring great physical or mental effort to accomplish or comprehend or endure
of such close construction as to be impermeable	hard to control
pressed tightly together
packed closely together
demanding strict attention to rules and procedures
exasperatingly difficult to handle or circumvent
(of a contest or contestants) evenly matched
of textiles
very drunk
set so close together as to be invulnerable to penetration
affected by scarcity and expensive to borrow
securely or solidly fixed in place; rigid
(used of persons or behavior) characterized by or indicative of lack of generosity
pulled or drawn tight

tight (adverb)	difficult (adverb)
firmly or closely
in an attentive manner