hard / strong / solid / sure / assuredly / undoubtedly / of course / indeed / admittedly

= + : Gitta Giraffe is building a hard and solid stronghold inside the bathroom's space station. The stronghold consists of a cloister inside a wooden box.

固 character breakdown

surname Gu
ancient / old / paleo-

= + : Mnemonic symbol: at least on German maps, this character actually resembles a cloister.

Oh no! Gitta Giraffe (gu) found that the golden cross (十) broke off of the cloister (古) in the space station's living room (Ø3)! She skewers a mandarin (口) on top of the cloister so that she can skewer the broken off cross back on to fix it.
enclosure

Mnemonic symbol: a plastic enclosure. Willy Walrus (w) is keeping frozen fish in an enclosure (囗) in the Eiffel Tower's kitchen (ei2).

Characters with 固 as component

(classifier used before a noun that has no specific classifier) / (bound form) individual

= + : Mnemonic symbol: Neanderthal Man (人). Neanderthal Man (人) needs to use the elevator's bathroom (e4) but it's occupied by Guy Fawkes (g), and there's only space for one individual (个). Impatiently Neanderthal Man knocks on the door using his dinosaur bone (丨).
variant of 個|个[ge4]
used in 自個兒|自个儿[zi4 ge3 r5]
obstinate disease / to restrain / to stop
steep-sided flat-topped mountain / mesa / (element in mountain names)
to dry / to dry up
Xenocypris, genus of cyprinid fish found in eastern Asia
place name
dried up / dry / exhausted / tired
variant of 崮[gu4]
obstinate disease / (of passion, hobbies) long-term
variant of 禍|祸, disaster

Words with 固

obstinate / stubborn / to fixate on / to cling to
admittedly (it's true that...)
intrinsic to sth / inherent / native
secure as a city protected by a wall of metal and a moat of boiling water (idiom) / well fortified / invulnerable to attack
solid state (physics)
to strongly defend one's position / to be entrenched / to cling to
Guzhen county in Bengbu 蚌埠[Beng4 bu4], Anhui
Guzhen county in Bengbu 蚌埠[Beng4 bu4], Anhui
Guyang county in Baotou 包頭|包头[Bao1 tou2], Inner Mongolia
sterol (chemistry)

Sentences with 固

固 currently does not appear in any sentence.