孤

'taru' adjective

alone and dejected; lonely and downhearted; lonely and crestfallen

solitary boat

feeling (looking) lone and helpless; helplessness of those in reduced circumstances

solitary wild goose (i.e. separated from its flock, esp. flying)

dying alone (esp. of someone who lives alone and dies of natural causes at home without anyone knowing); solitary death

solitary light

feeling apprehensive; feeling (looking) lone and helpless; being down-and-out (ruined); helplessness of those in reduced circumstances

Linguistics

isolating language

state of isolation

Computing

isolate

lone pair (of electrons)

lone monkey; stray monkey

language isolate

Proverb

one cannot live solely by oneself; one cannot accomplish anything solely by oneself; clapping with one hand is hard

orphan works

orphan works

Mahjong

isolated tile; lone honor tile, or a suited tile separated by two or more ranks from other complete or incomplete melds

Psychiatry

eremophobia; monophobia

Mathematics

isolated singularity

young orphan

being alone and weak with no place to go to

(romantic) love

a person without a single relative

isolated place; out-of-the-way place; remote part of the land

war orphan